Home / 75,316.25-112,974.35-28,569.13

Finding the Fourth Proportional to 75,316.25, 112,974.35 and 28,569.13

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Solution

The fourth proportional to 75,316.25, 112,974.35 and 28,569.13 is: 42,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,316.25 : 112,974.35 = 28,569.13 : x
  2. Step 2: Convert to fraction form
    75,316.25/112,974.35 = 28,569.13/x
  3. Step 3: Cross multiply
    75,316.25x = 112,974.35 × 28,569.13
  4. Step 4: Simplify right side
    75,316.25x = 3,227,578,466.53
  5. Step 5: Solve for x
    x = 3,227,578,466.53/75,316.25
  6. Step 6: Final answer
    x = 42,853.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.