Home / 91,740.16-126,624-55,949.92

Finding the Fourth Proportional to 91,740.16, 126,624 and 55,949.92

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Solution

The fourth proportional to 91,740.16, 126,624 and 55,949.92 is: 77,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,740.16 : 126,624 = 55,949.92 : x
  2. Step 2: Convert to fraction form
    91,740.16/126,624 = 55,949.92/x
  3. Step 3: Cross multiply
    91,740.16x = 126,624 × 55,949.92
  4. Step 4: Simplify right side
    91,740.16x = 7,084,602,670.08
  5. Step 5: Solve for x
    x = 7,084,602,670.08/91,740.16
  6. Step 6: Final answer
    x = 77,224.66

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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.