Home / 90,093.40-124,329.18-49,809.40

Finding the Fourth Proportional to 90,093.40, 124,329.18 and 49,809.40

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Solution

The fourth proportional to 90,093.40, 124,329.18 and 49,809.40 is: 68,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,093.40 : 124,329.18 = 49,809.40 : x
  2. Step 2: Convert to fraction form
    90,093.40/124,329.18 = 49,809.40/x
  3. Step 3: Cross multiply
    90,093.40x = 124,329.18 × 49,809.40
  4. Step 4: Simplify right side
    90,093.40x = 6,192,761,858.29
  5. Step 5: Solve for x
    x = 6,192,761,858.29/90,093.40
  6. Step 6: Final answer
    x = 68,737.13

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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.