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Finding the Fourth Proportional to 93,602.43, 129,166.86 and 51,160.98

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Solution

The fourth proportional to 93,602.43, 129,166.86 and 51,160.98 is: 70,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,602.43 : 129,166.86 = 51,160.98 : x
  2. Step 2: Convert to fraction form
    93,602.43/129,166.86 = 51,160.98/x
  3. Step 3: Cross multiply
    93,602.43x = 129,166.86 × 51,160.98
  4. Step 4: Simplify right side
    93,602.43x = 6,608,303,141.12
  5. Step 5: Solve for x
    x = 6,608,303,141.12/93,602.43
  6. Step 6: Final answer
    x = 70,599.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.