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Finding the Fourth Proportional to 93,903.60, 129,603.96 and 59,922.48

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Solution

The fourth proportional to 93,903.60, 129,603.96 and 59,922.48 is: 82,703.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,903.60 : 129,603.96 = 59,922.48 : x
  2. Step 2: Convert to fraction form
    93,903.60/129,603.96 = 59,922.48/x
  3. Step 3: Cross multiply
    93,903.60x = 129,603.96 × 59,922.48
  4. Step 4: Simplify right side
    93,903.60x = 7,766,190,701.02
  5. Step 5: Solve for x
    x = 7,766,190,701.02/93,903.60
  6. Step 6: Final answer
    x = 82,703.87

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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.