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Finding the Fourth Proportional to 93,098.97, 128,475.99 and 50,657.67

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Solution

The fourth proportional to 93,098.97, 128,475.99 and 50,657.67 is: 69,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,098.97 : 128,475.99 = 50,657.67 : x
  2. Step 2: Convert to fraction form
    93,098.97/128,475.99 = 50,657.67/x
  3. Step 3: Cross multiply
    93,098.97x = 128,475.99 × 50,657.67
  4. Step 4: Simplify right side
    93,098.97x = 6,508,294,304.34
  5. Step 5: Solve for x
    x = 6,508,294,304.34/93,098.97
  6. Step 6: Final answer
    x = 69,907.26

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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.