Home / 66,864.16-100,283.24-25,314.40

Finding the Fourth Proportional to 66,864.16, 100,283.24 and 25,314.40

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Solution

The fourth proportional to 66,864.16, 100,283.24 and 25,314.40 is: 37,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864.16 : 100,283.24 = 25,314.40 : x
  2. Step 2: Convert to fraction form
    66,864.16/100,283.24 = 25,314.40/x
  3. Step 3: Cross multiply
    66,864.16x = 100,283.24 × 25,314.40
  4. Step 4: Simplify right side
    66,864.16x = 2,538,610,050.66
  5. Step 5: Solve for x
    x = 2,538,610,050.66/66,864.16
  6. Step 6: Final answer
    x = 37,966.68

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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.