Home / 86,341.95-119,131.16-48,616.20

Finding the Fourth Proportional to 86,341.95, 119,131.16 and 48,616.20

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Solution

The fourth proportional to 86,341.95, 119,131.16 and 48,616.20 is: 67,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,341.95 : 119,131.16 = 48,616.20 : x
  2. Step 2: Convert to fraction form
    86,341.95/119,131.16 = 48,616.20/x
  3. Step 3: Cross multiply
    86,341.95x = 119,131.16 × 48,616.20
  4. Step 4: Simplify right side
    86,341.95x = 5,791,704,057.71
  5. Step 5: Solve for x
    x = 5,791,704,057.71/86,341.95
  6. Step 6: Final answer
    x = 67,078.68

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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.