Home / 76,875.93-115,271.91-34,706.52

Finding the Fourth Proportional to 76,875.93, 115,271.91 and 34,706.52

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Solution

The fourth proportional to 76,875.93, 115,271.91 and 34,706.52 is: 52,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,875.93 : 115,271.91 = 34,706.52 : x
  2. Step 2: Convert to fraction form
    76,875.93/115,271.91 = 34,706.52/x
  3. Step 3: Cross multiply
    76,875.93x = 115,271.91 × 34,706.52
  4. Step 4: Simplify right side
    76,875.93x = 4,000,686,849.85
  5. Step 5: Solve for x
    x = 4,000,686,849.85/76,875.93
  6. Step 6: Final answer
    x = 52,040.83

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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.