Home / 77,305.74-115,825.48-60,432.18

Finding the Fourth Proportional to 77,305.74, 115,825.48 and 60,432.18

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Solution

The fourth proportional to 77,305.74, 115,825.48 and 60,432.18 is: 90,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,305.74 : 115,825.48 = 60,432.18 : x
  2. Step 2: Convert to fraction form
    77,305.74/115,825.48 = 60,432.18/x
  3. Step 3: Cross multiply
    77,305.74x = 115,825.48 × 60,432.18
  4. Step 4: Simplify right side
    77,305.74x = 6,999,586,647.80
  5. Step 5: Solve for x
    x = 6,999,586,647.80/77,305.74
  6. Step 6: Final answer
    x = 90,544.20

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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.