Home / 89,440.16-123,430.38-49,155.35

Finding the Fourth Proportional to 89,440.16, 123,430.38 and 49,155.35

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Solution

The fourth proportional to 89,440.16, 123,430.38 and 49,155.35 is: 67,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,440.16 : 123,430.38 = 49,155.35 : x
  2. Step 2: Convert to fraction form
    89,440.16/123,430.38 = 49,155.35/x
  3. Step 3: Cross multiply
    89,440.16x = 123,430.38 × 49,155.35
  4. Step 4: Simplify right side
    89,440.16x = 6,067,263,529.53
  5. Step 5: Solve for x
    x = 6,067,263,529.53/89,440.16
  6. Step 6: Final answer
    x = 67,836.01

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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.