Home / 92,564.04-138,734.80-42,575.28

Finding the Fourth Proportional to 92,564.04, 138,734.80 and 42,575.28

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Solution

The fourth proportional to 92,564.04, 138,734.80 and 42,575.28 is: 63,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,564.04 : 138,734.80 = 42,575.28 : x
  2. Step 2: Convert to fraction form
    92,564.04/138,734.80 = 42,575.28/x
  3. Step 3: Cross multiply
    92,564.04x = 138,734.80 × 42,575.28
  4. Step 4: Simplify right side
    92,564.04x = 5,906,672,955.74
  5. Step 5: Solve for x
    x = 5,906,672,955.74/92,564.04
  6. Step 6: Final answer
    x = 63,811.75

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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.