Home / 80,065.52-119,511.98-70,607.34

Finding the Fourth Proportional to 80,065.52, 119,511.98 and 70,607.34

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Solution

The fourth proportional to 80,065.52, 119,511.98 and 70,607.34 is: 105,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,065.52 : 119,511.98 = 70,607.34 : x
  2. Step 2: Convert to fraction form
    80,065.52/119,511.98 = 70,607.34/x
  3. Step 3: Cross multiply
    80,065.52x = 119,511.98 × 70,607.34
  4. Step 4: Simplify right side
    80,065.52x = 8,438,423,005.93
  5. Step 5: Solve for x
    x = 8,438,423,005.93/80,065.52
  6. Step 6: Final answer
    x = 105,393.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.