Home / 113,031.24-155,983.54-62,730.24

Finding the Fourth Proportional to 113,031.24, 155,983.54 and 62,730.24

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Solution

The fourth proportional to 113,031.24, 155,983.54 and 62,730.24 is: 86,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,031.24 : 155,983.54 = 62,730.24 : x
  2. Step 2: Convert to fraction form
    113,031.24/155,983.54 = 62,730.24/x
  3. Step 3: Cross multiply
    113,031.24x = 155,983.54 × 62,730.24
  4. Step 4: Simplify right side
    113,031.24x = 9,784,884,900.25
  5. Step 5: Solve for x
    x = 9,784,884,900.25/113,031.24
  6. Step 6: Final answer
    x = 86,567.97

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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.