Home / 90,259.95-124,558.75-49,426.66

Finding the Fourth Proportional to 90,259.95, 124,558.75 and 49,426.66

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Solution

The fourth proportional to 90,259.95, 124,558.75 and 49,426.66 is: 68,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,259.95 : 124,558.75 = 49,426.66 : x
  2. Step 2: Convert to fraction form
    90,259.95/124,558.75 = 49,426.66/x
  3. Step 3: Cross multiply
    90,259.95x = 124,558.75 × 49,426.66
  4. Step 4: Simplify right side
    90,259.95x = 6,156,522,225.09
  5. Step 5: Solve for x
    x = 6,156,522,225.09/90,259.95
  6. Step 6: Final answer
    x = 68,208.79

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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.