Home / 74,856.90-103,306.42-43,028.76

Finding the Fourth Proportional to 74,856.90, 103,306.42 and 43,028.76

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Solution

The fourth proportional to 74,856.90, 103,306.42 and 43,028.76 is: 59,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,856.90 : 103,306.42 = 43,028.76 : x
  2. Step 2: Convert to fraction form
    74,856.90/103,306.42 = 43,028.76/x
  3. Step 3: Cross multiply
    74,856.90x = 103,306.42 × 43,028.76
  4. Step 4: Simplify right side
    74,856.90x = 4,445,147,152.64
  5. Step 5: Solve for x
    x = 4,445,147,152.64/74,856.90
  6. Step 6: Final answer
    x = 59,381.93

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1.5x scale

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.