Home / 85,256.80-127,712.40-48,277.60

Finding the Fourth Proportional to 85,256.80, 127,712.40 and 48,277.60

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Solution

The fourth proportional to 85,256.80, 127,712.40 and 48,277.60 is: 72,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,256.80 : 127,712.40 = 48,277.60 : x
  2. Step 2: Convert to fraction form
    85,256.80/127,712.40 = 48,277.60/x
  3. Step 3: Cross multiply
    85,256.80x = 127,712.40 × 48,277.60
  4. Step 4: Simplify right side
    85,256.80x = 6,165,648,162.24
  5. Step 5: Solve for x
    x = 6,165,648,162.24/85,256.80
  6. Step 6: Final answer
    x = 72,318.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.