Home / 124,848.10-187,389.60-65,726.20

Finding the Fourth Proportional to 124,848.10, 187,389.60 and 65,726.20

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Solution

The fourth proportional to 124,848.10, 187,389.60 and 65,726.20 is: 98,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,848.10 : 187,389.60 = 65,726.20 : x
  2. Step 2: Convert to fraction form
    124,848.10/187,389.60 = 65,726.20/x
  3. Step 3: Cross multiply
    124,848.10x = 187,389.60 × 65,726.20
  4. Step 4: Simplify right side
    124,848.10x = 12,316,406,327.52
  5. Step 5: Solve for x
    x = 12,316,406,327.52/124,848.10
  6. Step 6: Final answer
    x = 98,651.13

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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.