Home / 123,720.08-185,580.48-52,624.40

Finding the Fourth Proportional to 123,720.08, 185,580.48 and 52,624.40

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Solution

The fourth proportional to 123,720.08, 185,580.48 and 52,624.40 is: 78,936.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,720.08 : 185,580.48 = 52,624.40 : x
  2. Step 2: Convert to fraction form
    123,720.08/185,580.48 = 52,624.40/x
  3. Step 3: Cross multiply
    123,720.08x = 185,580.48 × 52,624.40
  4. Step 4: Simplify right side
    123,720.08x = 9,766,061,411.71
  5. Step 5: Solve for x
    x = 9,766,061,411.71/123,720.08
  6. Step 6: Final answer
    x = 78,936.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.