Home / 82,877.51-124,317.11-45,417.17

Finding the Fourth Proportional to 82,877.51, 124,317.11 and 45,417.17

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Solution

The fourth proportional to 82,877.51, 124,317.11 and 45,417.17 is: 68,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,877.51 : 124,317.11 = 45,417.17 : x
  2. Step 2: Convert to fraction form
    82,877.51/124,317.11 = 45,417.17/x
  3. Step 3: Cross multiply
    82,877.51x = 124,317.11 × 45,417.17
  4. Step 4: Simplify right side
    82,877.51x = 5,646,131,743.11
  5. Step 5: Solve for x
    x = 5,646,131,743.11/82,877.51
  6. Step 6: Final answer
    x = 68,126.22

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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.