Home / 89,723.66-123,818.63-49,437.30

Finding the Fourth Proportional to 89,723.66, 123,818.63 and 49,437.30

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Solution

The fourth proportional to 89,723.66, 123,818.63 and 49,437.30 is: 68,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,723.66 : 123,818.63 = 49,437.30 : x
  2. Step 2: Convert to fraction form
    89,723.66/123,818.63 = 49,437.30/x
  3. Step 3: Cross multiply
    89,723.66x = 123,818.63 × 49,437.30
  4. Step 4: Simplify right side
    89,723.66x = 6,121,258,509.71
  5. Step 5: Solve for x
    x = 6,121,258,509.71/89,723.66
  6. Step 6: Final answer
    x = 68,223.46

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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.