Home / 86,589.15-119,495.05-48,347.40

Finding the Fourth Proportional to 86,589.15, 119,495.05 and 48,347.40

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Solution

The fourth proportional to 86,589.15, 119,495.05 and 48,347.40 is: 66,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,589.15 : 119,495.05 = 48,347.40 : x
  2. Step 2: Convert to fraction form
    86,589.15/119,495.05 = 48,347.40/x
  3. Step 3: Cross multiply
    86,589.15x = 119,495.05 × 48,347.40
  4. Step 4: Simplify right side
    86,589.15x = 5,777,275,343.53
  5. Step 5: Solve for x
    x = 5,777,275,343.53/86,589.15
  6. Step 6: Final answer
    x = 66,720.55

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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.