Home / 86,640.95-119,560.23-48,392.88

Finding the Fourth Proportional to 86,640.95, 119,560.23 and 48,392.88

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Solution

The fourth proportional to 86,640.95, 119,560.23 and 48,392.88 is: 66,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,640.95 : 119,560.23 = 48,392.88 : x
  2. Step 2: Convert to fraction form
    86,640.95/119,560.23 = 48,392.88/x
  3. Step 3: Cross multiply
    86,640.95x = 119,560.23 × 48,392.88
  4. Step 4: Simplify right side
    86,640.95x = 5,785,864,089.34
  5. Step 5: Solve for x
    x = 5,785,864,089.34/86,640.95
  6. Step 6: Final answer
    x = 66,779.79

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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.