Home / 90,253.85-124,549.65-54,463.59

Finding the Fourth Proportional to 90,253.85, 124,549.65 and 54,463.59

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Solution

The fourth proportional to 90,253.85, 124,549.65 and 54,463.59 is: 75,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,253.85 : 124,549.65 = 54,463.59 : x
  2. Step 2: Convert to fraction form
    90,253.85/124,549.65 = 54,463.59/x
  3. Step 3: Cross multiply
    90,253.85x = 124,549.65 × 54,463.59
  4. Step 4: Simplify right side
    90,253.85x = 6,783,421,072.24
  5. Step 5: Solve for x
    x = 6,783,421,072.24/90,253.85
  6. Step 6: Final answer
    x = 75,159.36

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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.