Home / 86,391.60-119,220.30-48,666.12

Finding the Fourth Proportional to 86,391.60, 119,220.30 and 48,666.12

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Solution

The fourth proportional to 86,391.60, 119,220.30 and 48,666.12 is: 67,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,391.60 : 119,220.30 = 48,666.12 : x
  2. Step 2: Convert to fraction form
    86,391.60/119,220.30 = 48,666.12/x
  3. Step 3: Cross multiply
    86,391.60x = 119,220.30 × 48,666.12
  4. Step 4: Simplify right side
    86,391.60x = 5,801,989,426.24
  5. Step 5: Solve for x
    x = 5,801,989,426.24/86,391.60
  6. Step 6: Final answer
    x = 67,159.18

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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.