Home / 93,615.28-129,212.30-53,352.92

Finding the Fourth Proportional to 93,615.28, 129,212.30 and 53,352.92

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Solution

The fourth proportional to 93,615.28, 129,212.30 and 53,352.92 is: 73,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,615.28 : 129,212.30 = 53,352.92 : x
  2. Step 2: Convert to fraction form
    93,615.28/129,212.30 = 53,352.92/x
  3. Step 3: Cross multiply
    93,615.28x = 129,212.30 × 53,352.92
  4. Step 4: Simplify right side
    93,615.28x = 6,893,853,504.92
  5. Step 5: Solve for x
    x = 6,893,853,504.92/93,615.28
  6. Step 6: Final answer
    x = 73,640.26

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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.