Home / 86,440.50-119,288.80-48,714.75

Finding the Fourth Proportional to 86,440.50, 119,288.80 and 48,714.75

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Solution

The fourth proportional to 86,440.50, 119,288.80 and 48,714.75 is: 67,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,440.50 : 119,288.80 = 48,714.75 : x
  2. Step 2: Convert to fraction form
    86,440.50/119,288.80 = 48,714.75/x
  3. Step 3: Cross multiply
    86,440.50x = 119,288.80 × 48,714.75
  4. Step 4: Simplify right side
    86,440.50x = 5,811,124,130.69
  5. Step 5: Solve for x
    x = 5,811,124,130.69/86,440.50
  6. Step 6: Final answer
    x = 67,226.87

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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.