Home / 90,018.38-124,225.37-52,295.06

Finding the Fourth Proportional to 90,018.38, 124,225.37 and 52,295.06

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Solution

The fourth proportional to 90,018.38, 124,225.37 and 52,295.06 is: 72,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,018.38 : 124,225.37 = 52,295.06 : x
  2. Step 2: Convert to fraction form
    90,018.38/124,225.37 = 52,295.06/x
  3. Step 3: Cross multiply
    90,018.38x = 124,225.37 × 52,295.06
  4. Step 4: Simplify right side
    90,018.38x = 6,496,373,177.67
  5. Step 5: Solve for x
    x = 6,496,373,177.67/90,018.38
  6. Step 6: Final answer
    x = 72,167.19

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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.