Home / 61,246.08-84,458.16-57,915.36

Finding the Fourth Proportional to 61,246.08, 84,458.16 and 57,915.36

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Solution

The fourth proportional to 61,246.08, 84,458.16 and 57,915.36 is: 79,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,246.08 : 84,458.16 = 57,915.36 : x
  2. Step 2: Convert to fraction form
    61,246.08/84,458.16 = 57,915.36/x
  3. Step 3: Cross multiply
    61,246.08x = 84,458.16 × 57,915.36
  4. Step 4: Simplify right side
    61,246.08x = 4,891,424,741.34
  5. Step 5: Solve for x
    x = 4,891,424,741.34/61,246.08
  6. Step 6: Final answer
    x = 79,865.11

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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.