Home / 106,987.13-147,681.11-62,275.13

Finding the Fourth Proportional to 106,987.13, 147,681.11 and 62,275.13

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Solution

The fourth proportional to 106,987.13, 147,681.11 and 62,275.13 is: 85,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,987.13 : 147,681.11 = 62,275.13 : x
  2. Step 2: Convert to fraction form
    106,987.13/147,681.11 = 62,275.13/x
  3. Step 3: Cross multiply
    106,987.13x = 147,681.11 × 62,275.13
  4. Step 4: Simplify right side
    106,987.13x = 9,196,860,323.79
  5. Step 5: Solve for x
    x = 9,196,860,323.79/106,987.13
  6. Step 6: Final answer
    x = 85,962.31

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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.