Home / 61,265.10-84,483.60-57,693.36

Finding the Fourth Proportional to 61,265.10, 84,483.60 and 57,693.36

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Solution

The fourth proportional to 61,265.10, 84,483.60 and 57,693.36 is: 79,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,265.10 : 84,483.60 = 57,693.36 : x
  2. Step 2: Convert to fraction form
    61,265.10/84,483.60 = 57,693.36/x
  3. Step 3: Cross multiply
    61,265.10x = 84,483.60 × 57,693.36
  4. Step 4: Simplify right side
    61,265.10x = 4,874,142,748.90
  5. Step 5: Solve for x
    x = 4,874,142,748.90/61,265.10
  6. Step 6: Final answer
    x = 79,558.23

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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.