Home / 74,429.02-111,394.05-61,101.28

Finding the Fourth Proportional to 74,429.02, 111,394.05 and 61,101.28

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Solution

The fourth proportional to 74,429.02, 111,394.05 and 61,101.28 is: 91,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429.02 : 111,394.05 = 61,101.28 : x
  2. Step 2: Convert to fraction form
    74,429.02/111,394.05 = 61,101.28/x
  3. Step 3: Cross multiply
    74,429.02x = 111,394.05 × 61,101.28
  4. Step 4: Simplify right side
    74,429.02x = 6,806,319,039.38
  5. Step 5: Solve for x
    x = 6,806,319,039.38/74,429.02
  6. Step 6: Final answer
    x = 91,447.11

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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.