Home / 85,744.32-118,234.74-58,523.46

Finding the Fourth Proportional to 85,744.32, 118,234.74 and 58,523.46

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Solution

The fourth proportional to 85,744.32, 118,234.74 and 58,523.46 is: 80,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,744.32 : 118,234.74 = 58,523.46 : x
  2. Step 2: Convert to fraction form
    85,744.32/118,234.74 = 58,523.46/x
  3. Step 3: Cross multiply
    85,744.32x = 118,234.74 × 58,523.46
  4. Step 4: Simplify right side
    85,744.32x = 6,919,506,077.00
  5. Step 5: Solve for x
    x = 6,919,506,077.00/85,744.32
  6. Step 6: Final answer
    x = 80,699.29

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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.