Home / 91,280.04-125,967.42-53,554.92

Finding the Fourth Proportional to 91,280.04, 125,967.42 and 53,554.92

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Solution

The fourth proportional to 91,280.04, 125,967.42 and 53,554.92 is: 73,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,280.04 : 125,967.42 = 53,554.92 : x
  2. Step 2: Convert to fraction form
    91,280.04/125,967.42 = 53,554.92/x
  3. Step 3: Cross multiply
    91,280.04x = 125,967.42 × 53,554.92
  4. Step 4: Simplify right side
    91,280.04x = 6,746,175,100.71
  5. Step 5: Solve for x
    x = 6,746,175,100.71/91,280.04
  6. Step 6: Final answer
    x = 73,906.36

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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.