Home / 90,263.70-124,568.51-49,981.92

Finding the Fourth Proportional to 90,263.70, 124,568.51 and 49,981.92

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Solution

The fourth proportional to 90,263.70, 124,568.51 and 49,981.92 is: 68,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263.70 : 124,568.51 = 49,981.92 : x
  2. Step 2: Convert to fraction form
    90,263.70/124,568.51 = 49,981.92/x
  3. Step 3: Cross multiply
    90,263.70x = 124,568.51 × 49,981.92
  4. Step 4: Simplify right side
    90,263.70x = 6,226,173,301.34
  5. Step 5: Solve for x
    x = 6,226,173,301.34/90,263.70
  6. Step 6: Final answer
    x = 68,977.60

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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.