Home / 91,034.88-136,552.32-28,710.24

Finding the Fourth Proportional to 91,034.88, 136,552.32 and 28,710.24

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Solution

The fourth proportional to 91,034.88, 136,552.32 and 28,710.24 is: 43,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,034.88 : 136,552.32 = 28,710.24 : x
  2. Step 2: Convert to fraction form
    91,034.88/136,552.32 = 28,710.24/x
  3. Step 3: Cross multiply
    91,034.88x = 136,552.32 × 28,710.24
  4. Step 4: Simplify right side
    91,034.88x = 3,920,449,879.76
  5. Step 5: Solve for x
    x = 3,920,449,879.76/91,034.88
  6. Step 6: Final answer
    x = 43,065.36

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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.