Home / 82,711.47-124,064.09-23,547.12

Finding the Fourth Proportional to 82,711.47, 124,064.09 and 23,547.12

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Solution

The fourth proportional to 82,711.47, 124,064.09 and 23,547.12 is: 35,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,711.47 : 124,064.09 = 23,547.12 : x
  2. Step 2: Convert to fraction form
    82,711.47/124,064.09 = 23,547.12/x
  3. Step 3: Cross multiply
    82,711.47x = 124,064.09 × 23,547.12
  4. Step 4: Simplify right side
    82,711.47x = 2,921,352,218.11
  5. Step 5: Solve for x
    x = 2,921,352,218.11/82,711.47
  6. Step 6: Final answer
    x = 35,319.80

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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.