Home / 90,244.31-124,482.65-57,968.06

Finding the Fourth Proportional to 90,244.31, 124,482.65 and 57,968.06

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Solution

The fourth proportional to 90,244.31, 124,482.65 and 57,968.06 is: 79,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,244.31 : 124,482.65 = 57,968.06 : x
  2. Step 2: Convert to fraction form
    90,244.31/124,482.65 = 57,968.06/x
  3. Step 3: Cross multiply
    90,244.31x = 124,482.65 × 57,968.06
  4. Step 4: Simplify right side
    90,244.31x = 7,216,016,811.91
  5. Step 5: Solve for x
    x = 7,216,016,811.91/90,244.31
  6. Step 6: Final answer
    x = 79,960.91

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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.