Home / 93,010.16-128,358.40-52,724.70

Finding the Fourth Proportional to 93,010.16, 128,358.40 and 52,724.70

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Solution

The fourth proportional to 93,010.16, 128,358.40 and 52,724.70 is: 72,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,010.16 : 128,358.40 = 52,724.70 : x
  2. Step 2: Convert to fraction form
    93,010.16/128,358.40 = 52,724.70/x
  3. Step 3: Cross multiply
    93,010.16x = 128,358.40 × 52,724.70
  4. Step 4: Simplify right side
    93,010.16x = 6,767,658,132.48
  5. Step 5: Solve for x
    x = 6,767,658,132.48/93,010.16
  6. Step 6: Final answer
    x = 72,762.57

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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.