Home / 90,061.11-124,299.77-52,357.23

Finding the Fourth Proportional to 90,061.11, 124,299.77 and 52,357.23

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Solution

The fourth proportional to 90,061.11, 124,299.77 and 52,357.23 is: 72,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,061.11 : 124,299.77 = 52,357.23 : x
  2. Step 2: Convert to fraction form
    90,061.11/124,299.77 = 52,357.23/x
  3. Step 3: Cross multiply
    90,061.11x = 124,299.77 × 52,357.23
  4. Step 4: Simplify right side
    90,061.11x = 6,507,991,385.05
  5. Step 5: Solve for x
    x = 6,507,991,385.05/90,061.11
  6. Step 6: Final answer
    x = 72,261.95

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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.