Home / 94,999.12-131,077.56-56,748.40

Finding the Fourth Proportional to 94,999.12, 131,077.56 and 56,748.40

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Solution

The fourth proportional to 94,999.12, 131,077.56 and 56,748.40 is: 78,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,999.12 : 131,077.56 = 56,748.40 : x
  2. Step 2: Convert to fraction form
    94,999.12/131,077.56 = 56,748.40/x
  3. Step 3: Cross multiply
    94,999.12x = 131,077.56 × 56,748.40
  4. Step 4: Simplify right side
    94,999.12x = 7,438,441,805.90
  5. Step 5: Solve for x
    x = 7,438,441,805.90/94,999.12
  6. Step 6: Final answer
    x = 78,300.11

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1.5x scale

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.