Home / 86,454.36-119,317.20-48,219.93

Finding the Fourth Proportional to 86,454.36, 119,317.20 and 48,219.93

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Solution

The fourth proportional to 86,454.36, 119,317.20 and 48,219.93 is: 66,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,454.36 : 119,317.20 = 48,219.93 : x
  2. Step 2: Convert to fraction form
    86,454.36/119,317.20 = 48,219.93/x
  3. Step 3: Cross multiply
    86,454.36x = 119,317.20 × 48,219.93
  4. Step 4: Simplify right side
    86,454.36x = 5,753,467,031.80
  5. Step 5: Solve for x
    x = 5,753,467,031.80/86,454.36
  6. Step 6: Final answer
    x = 66,549.18

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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.