Home / 90,258.30-124,553.40-49,973.76

Finding the Fourth Proportional to 90,258.30, 124,553.40 and 49,973.76

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Solution

The fourth proportional to 90,258.30, 124,553.40 and 49,973.76 is: 68,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,258.30 : 124,553.40 = 49,973.76 : x
  2. Step 2: Convert to fraction form
    90,258.30/124,553.40 = 49,973.76/x
  3. Step 3: Cross multiply
    90,258.30x = 124,553.40 × 49,973.76
  4. Step 4: Simplify right side
    90,258.30x = 6,224,401,718.78
  5. Step 5: Solve for x
    x = 6,224,401,718.78/90,258.30
  6. Step 6: Final answer
    x = 68,962.10

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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.