Home / 77,030.40-115,545.60-27,110.10

Finding the Fourth Proportional to 77,030.40, 115,545.60 and 27,110.10

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Solution

The fourth proportional to 77,030.40, 115,545.60 and 27,110.10 is: 40,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,030.40 : 115,545.60 = 27,110.10 : x
  2. Step 2: Convert to fraction form
    77,030.40/115,545.60 = 27,110.10/x
  3. Step 3: Cross multiply
    77,030.40x = 115,545.60 × 27,110.10
  4. Step 4: Simplify right side
    77,030.40x = 3,132,452,770.56
  5. Step 5: Solve for x
    x = 3,132,452,770.56/77,030.40
  6. Step 6: Final answer
    x = 40,665.15

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1.5x scale

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.