Home / 90,011.17-124,215.03-49,724.93

Finding the Fourth Proportional to 90,011.17, 124,215.03 and 49,724.93

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Solution

The fourth proportional to 90,011.17, 124,215.03 and 49,724.93 is: 68,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,011.17 : 124,215.03 = 49,724.93 : x
  2. Step 2: Convert to fraction form
    90,011.17/124,215.03 = 49,724.93/x
  3. Step 3: Cross multiply
    90,011.17x = 124,215.03 × 49,724.93
  4. Step 4: Simplify right side
    90,011.17x = 6,176,583,423.07
  5. Step 5: Solve for x
    x = 6,176,583,423.07/90,011.17
  6. Step 6: Final answer
    x = 68,620.19

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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.