Home / 90,164.62-124,426.11-49,875.22

Finding the Fourth Proportional to 90,164.62, 124,426.11 and 49,875.22

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Solution

The fourth proportional to 90,164.62, 124,426.11 and 49,875.22 is: 68,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,164.62 : 124,426.11 = 49,875.22 : x
  2. Step 2: Convert to fraction form
    90,164.62/124,426.11 = 49,875.22/x
  3. Step 3: Cross multiply
    90,164.62x = 124,426.11 × 49,875.22
  4. Step 4: Simplify right side
    90,164.62x = 6,205,779,609.99
  5. Step 5: Solve for x
    x = 6,205,779,609.99/90,164.62
  6. Step 6: Final answer
    x = 68,827.21

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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.