Home / 86,660.85-119,591.14-48,426.98

Finding the Fourth Proportional to 86,660.85, 119,591.14 and 48,426.98

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Solution

The fourth proportional to 86,660.85, 119,591.14 and 48,426.98 is: 66,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,660.85 : 119,591.14 = 48,426.98 : x
  2. Step 2: Convert to fraction form
    86,660.85/119,591.14 = 48,426.98/x
  3. Step 3: Cross multiply
    86,660.85x = 119,591.14 × 48,426.98
  4. Step 4: Simplify right side
    86,660.85x = 5,791,437,925.64
  5. Step 5: Solve for x
    x = 5,791,437,925.64/86,660.85
  6. Step 6: Final answer
    x = 66,828.77

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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.