Home / 90,960.64-125,482.08-59,139.52

Finding the Fourth Proportional to 90,960.64, 125,482.08 and 59,139.52

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Solution

The fourth proportional to 90,960.64, 125,482.08 and 59,139.52 is: 81,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,960.64 : 125,482.08 = 59,139.52 : x
  2. Step 2: Convert to fraction form
    90,960.64/125,482.08 = 59,139.52/x
  3. Step 3: Cross multiply
    90,960.64x = 125,482.08 × 59,139.52
  4. Step 4: Simplify right side
    90,960.64x = 7,420,949,979.80
  5. Step 5: Solve for x
    x = 7,420,949,979.80/90,960.64
  6. Step 6: Final answer
    x = 81,584.19

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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.