Home / 94,597.60-141,988.72-78,125.44

Finding the Fourth Proportional to 94,597.60, 141,988.72 and 78,125.44

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Solution

The fourth proportional to 94,597.60, 141,988.72 and 78,125.44 is: 117,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,597.60 : 141,988.72 = 78,125.44 : x
  2. Step 2: Convert to fraction form
    94,597.60/141,988.72 = 78,125.44/x
  3. Step 3: Cross multiply
    94,597.60x = 141,988.72 × 78,125.44
  4. Step 4: Simplify right side
    94,597.60x = 11,092,931,225.04
  5. Step 5: Solve for x
    x = 11,092,931,225.04/94,597.60
  6. Step 6: Final answer
    x = 117,264.40

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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.