Home / 90,218.85-124,502.28-49,935.41

Finding the Fourth Proportional to 90,218.85, 124,502.28 and 49,935.41

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Solution

The fourth proportional to 90,218.85, 124,502.28 and 49,935.41 is: 68,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,218.85 : 124,502.28 = 49,935.41 : x
  2. Step 2: Convert to fraction form
    90,218.85/124,502.28 = 49,935.41/x
  3. Step 3: Cross multiply
    90,218.85x = 124,502.28 × 49,935.41
  4. Step 4: Simplify right side
    90,218.85x = 6,217,071,525.55
  5. Step 5: Solve for x
    x = 6,217,071,525.55/90,218.85
  6. Step 6: Final answer
    x = 68,911.01

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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.