Home / 86,320.50-119,120.44-48,079.92

Finding the Fourth Proportional to 86,320.50, 119,120.44 and 48,079.92

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Solution

The fourth proportional to 86,320.50, 119,120.44 and 48,079.92 is: 66,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,320.50 : 119,120.44 = 48,079.92 : x
  2. Step 2: Convert to fraction form
    86,320.50/119,120.44 = 48,079.92/x
  3. Step 3: Cross multiply
    86,320.50x = 119,120.44 × 48,079.92
  4. Step 4: Simplify right side
    86,320.50x = 5,727,301,225.56
  5. Step 5: Solve for x
    x = 5,727,301,225.56/86,320.50
  6. Step 6: Final answer
    x = 66,349.26

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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.