Home / 90,526.86-124,927.89-54,740.79

Finding the Fourth Proportional to 90,526.86, 124,927.89 and 54,740.79

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Solution

The fourth proportional to 90,526.86, 124,927.89 and 54,740.79 is: 75,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,526.86 : 124,927.89 = 54,740.79 : x
  2. Step 2: Convert to fraction form
    90,526.86/124,927.89 = 54,740.79/x
  3. Step 3: Cross multiply
    90,526.86x = 124,927.89 × 54,740.79
  4. Step 4: Simplify right side
    90,526.86x = 6,838,651,391.63
  5. Step 5: Solve for x
    x = 6,838,651,391.63/90,526.86
  6. Step 6: Final answer
    x = 75,542.79

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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.