Home / 90,252-124,548.72-49,966.40

Finding the Fourth Proportional to 90,252, 124,548.72 and 49,966.40

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Solution

The fourth proportional to 90,252, 124,548.72 and 49,966.40 is: 68,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,252 : 124,548.72 = 49,966.40 : x
  2. Step 2: Convert to fraction form
    90,252/124,548.72 = 49,966.40/x
  3. Step 3: Cross multiply
    90,252x = 124,548.72 × 49,966.40
  4. Step 4: Simplify right side
    90,252x = 6,223,251,163.01
  5. Step 5: Solve for x
    x = 6,223,251,163.01/90,252
  6. Step 6: Final answer
    x = 68,954.16

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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.