Home / 55,386.52-83,070.78-15,934.66

Finding the Fourth Proportional to 55,386.52, 83,070.78 and 15,934.66

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Solution

The fourth proportional to 55,386.52, 83,070.78 and 15,934.66 is: 23,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,386.52 : 83,070.78 = 15,934.66 : x
  2. Step 2: Convert to fraction form
    55,386.52/83,070.78 = 15,934.66/x
  3. Step 3: Cross multiply
    55,386.52x = 83,070.78 × 15,934.66
  4. Step 4: Simplify right side
    55,386.52x = 1,323,704,635.23
  5. Step 5: Solve for x
    x = 1,323,704,635.23/55,386.52
  6. Step 6: Final answer
    x = 23,899.40

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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.