Home / 82,849.61-124,270.85-26,688.47

Finding the Fourth Proportional to 82,849.61, 124,270.85 and 26,688.47

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Solution

The fourth proportional to 82,849.61, 124,270.85 and 26,688.47 is: 40,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,849.61 : 124,270.85 = 26,688.47 : x
  2. Step 2: Convert to fraction form
    82,849.61/124,270.85 = 26,688.47/x
  3. Step 3: Cross multiply
    82,849.61x = 124,270.85 × 26,688.47
  4. Step 4: Simplify right side
    82,849.61x = 3,316,598,297.47
  5. Step 5: Solve for x
    x = 3,316,598,297.47/82,849.61
  6. Step 6: Final answer
    x = 40,031.55

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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.