Home / 82,720.01-124,019.52-26,528.14

Finding the Fourth Proportional to 82,720.01, 124,019.52 and 26,528.14

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Solution

The fourth proportional to 82,720.01, 124,019.52 and 26,528.14 is: 39,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,720.01 : 124,019.52 = 26,528.14 : x
  2. Step 2: Convert to fraction form
    82,720.01/124,019.52 = 26,528.14/x
  3. Step 3: Cross multiply
    82,720.01x = 124,019.52 × 26,528.14
  4. Step 4: Simplify right side
    82,720.01x = 3,290,006,569.20
  5. Step 5: Solve for x
    x = 3,290,006,569.20/82,720.01
  6. Step 6: Final answer
    x = 39,772.80

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1.5x scale

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.