Home / 90,278.70-124,569.93-52,039.81

Finding the Fourth Proportional to 90,278.70, 124,569.93 and 52,039.81

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Solution

The fourth proportional to 90,278.70, 124,569.93 and 52,039.81 is: 71,806.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,278.70 : 124,569.93 = 52,039.81 : x
  2. Step 2: Convert to fraction form
    90,278.70/124,569.93 = 52,039.81/x
  3. Step 3: Cross multiply
    90,278.70x = 124,569.93 × 52,039.81
  4. Step 4: Simplify right side
    90,278.70x = 6,482,595,488.91
  5. Step 5: Solve for x
    x = 6,482,595,488.91/90,278.70
  6. Step 6: Final answer
    x = 71,806.48

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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.