Home / 89,799.84-123,915.32-52,070

Finding the Fourth Proportional to 89,799.84, 123,915.32 and 52,070

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Solution

The fourth proportional to 89,799.84, 123,915.32 and 52,070 is: 71,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,799.84 : 123,915.32 = 52,070 : x
  2. Step 2: Convert to fraction form
    89,799.84/123,915.32 = 52,070/x
  3. Step 3: Cross multiply
    89,799.84x = 123,915.32 × 52,070
  4. Step 4: Simplify right side
    89,799.84x = 6,452,270,712.40
  5. Step 5: Solve for x
    x = 6,452,270,712.40/89,799.84
  6. Step 6: Final answer
    x = 71,851.69

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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.