Home / 107,242.83-147,999.06-64,793.16

Finding the Fourth Proportional to 107,242.83, 147,999.06 and 64,793.16

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Solution

The fourth proportional to 107,242.83, 147,999.06 and 64,793.16 is: 89,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,242.83 : 147,999.06 = 64,793.16 : x
  2. Step 2: Convert to fraction form
    107,242.83/147,999.06 = 64,793.16/x
  3. Step 3: Cross multiply
    107,242.83x = 147,999.06 × 64,793.16
  4. Step 4: Simplify right side
    107,242.83x = 9,589,326,774.43
  5. Step 5: Solve for x
    x = 9,589,326,774.43/107,242.83
  6. Step 6: Final answer
    x = 89,416.95

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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.