Home / 65,260.17-90,102.38-50,125.77

Finding the Fourth Proportional to 65,260.17, 90,102.38 and 50,125.77

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Solution

The fourth proportional to 65,260.17, 90,102.38 and 50,125.77 is: 69,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,260.17 : 90,102.38 = 50,125.77 : x
  2. Step 2: Convert to fraction form
    65,260.17/90,102.38 = 50,125.77/x
  3. Step 3: Cross multiply
    65,260.17x = 90,102.38 × 50,125.77
  4. Step 4: Simplify right side
    65,260.17x = 4,516,450,925.70
  5. Step 5: Solve for x
    x = 4,516,450,925.70/65,260.17
  6. Step 6: Final answer
    x = 69,206.85

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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.