Home / 93,730.10-129,355.20-53,456.52

Finding the Fourth Proportional to 93,730.10, 129,355.20 and 53,456.52

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Solution

The fourth proportional to 93,730.10, 129,355.20 and 53,456.52 is: 73,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,730.10 : 129,355.20 = 53,456.52 : x
  2. Step 2: Convert to fraction form
    93,730.10/129,355.20 = 53,456.52/x
  3. Step 3: Cross multiply
    93,730.10x = 129,355.20 × 53,456.52
  4. Step 4: Simplify right side
    93,730.10x = 6,914,878,835.90
  5. Step 5: Solve for x
    x = 6,914,878,835.90/93,730.10
  6. Step 6: Final answer
    x = 73,774.37

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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.