Home / 67,915.14-93,703.85-42,447.39

Finding the Fourth Proportional to 67,915.14, 93,703.85 and 42,447.39

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Solution

The fourth proportional to 67,915.14, 93,703.85 and 42,447.39 is: 58,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,915.14 : 93,703.85 = 42,447.39 : x
  2. Step 2: Convert to fraction form
    67,915.14/93,703.85 = 42,447.39/x
  3. Step 3: Cross multiply
    67,915.14x = 93,703.85 × 42,447.39
  4. Step 4: Simplify right side
    67,915.14x = 3,977,483,653.21
  5. Step 5: Solve for x
    x = 3,977,483,653.21/67,915.14
  6. Step 6: Final answer
    x = 58,565.49

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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.