Home / 72,488.25-100,033.97-42,294.33

Finding the Fourth Proportional to 72,488.25, 100,033.97 and 42,294.33

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Solution

The fourth proportional to 72,488.25, 100,033.97 and 42,294.33 is: 58,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,488.25 : 100,033.97 = 42,294.33 : x
  2. Step 2: Convert to fraction form
    72,488.25/100,033.97 = 42,294.33/x
  3. Step 3: Cross multiply
    72,488.25x = 100,033.97 × 42,294.33
  4. Step 4: Simplify right side
    72,488.25x = 4,230,869,526.92
  5. Step 5: Solve for x
    x = 4,230,869,526.92/72,488.25
  6. Step 6: Final answer
    x = 58,366.28

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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.