Home / 85,311.30-127,794.15-48,332.10

Finding the Fourth Proportional to 85,311.30, 127,794.15 and 48,332.10

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Solution

The fourth proportional to 85,311.30, 127,794.15 and 48,332.10 is: 72,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,311.30 : 127,794.15 = 48,332.10 : x
  2. Step 2: Convert to fraction form
    85,311.30/127,794.15 = 48,332.10/x
  3. Step 3: Cross multiply
    85,311.30x = 127,794.15 × 48,332.10
  4. Step 4: Simplify right side
    85,311.30x = 6,176,559,637.22
  5. Step 5: Solve for x
    x = 6,176,559,637.22/85,311.30
  6. Step 6: Final answer
    x = 72,400.25

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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.