Home / 86,630.10-119,548.24-48,390.18

Finding the Fourth Proportional to 86,630.10, 119,548.24 and 48,390.18

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Solution

The fourth proportional to 86,630.10, 119,548.24 and 48,390.18 is: 66,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,630.10 : 119,548.24 = 48,390.18 : x
  2. Step 2: Convert to fraction form
    86,630.10/119,548.24 = 48,390.18/x
  3. Step 3: Cross multiply
    86,630.10x = 119,548.24 × 48,390.18
  4. Step 4: Simplify right side
    86,630.10x = 5,784,960,852.28
  5. Step 5: Solve for x
    x = 5,784,960,852.28/86,630.10
  6. Step 6: Final answer
    x = 66,777.72

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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.