Home / 90,864.98-125,397.36-50,576.18

Finding the Fourth Proportional to 90,864.98, 125,397.36 and 50,576.18

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Solution

The fourth proportional to 90,864.98, 125,397.36 and 50,576.18 is: 69,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,864.98 : 125,397.36 = 50,576.18 : x
  2. Step 2: Convert to fraction form
    90,864.98/125,397.36 = 50,576.18/x
  3. Step 3: Cross multiply
    90,864.98x = 125,397.36 × 50,576.18
  4. Step 4: Simplify right side
    90,864.98x = 6,342,118,823.90
  5. Step 5: Solve for x
    x = 6,342,118,823.90/90,864.98
  6. Step 6: Final answer
    x = 69,797.18

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1.5x scale

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.