Home / 61,386.66-84,641.13-42,014.91

Finding the Fourth Proportional to 61,386.66, 84,641.13 and 42,014.91

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Solution

The fourth proportional to 61,386.66, 84,641.13 and 42,014.91 is: 57,930.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,386.66 : 84,641.13 = 42,014.91 : x
  2. Step 2: Convert to fraction form
    61,386.66/84,641.13 = 42,014.91/x
  3. Step 3: Cross multiply
    61,386.66x = 84,641.13 × 42,014.91
  4. Step 4: Simplify right side
    61,386.66x = 3,556,189,710.08
  5. Step 5: Solve for x
    x = 3,556,189,710.08/61,386.66
  6. Step 6: Final answer
    x = 57,930.99

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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.