Home / 51,988.40-77,982.60-48,707.90

Finding the Fourth Proportional to 51,988.40, 77,982.60 and 48,707.90

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Solution

The fourth proportional to 51,988.40, 77,982.60 and 48,707.90 is: 73,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988.40 : 77,982.60 = 48,707.90 : x
  2. Step 2: Convert to fraction form
    51,988.40/77,982.60 = 48,707.90/x
  3. Step 3: Cross multiply
    51,988.40x = 77,982.60 × 48,707.90
  4. Step 4: Simplify right side
    51,988.40x = 3,798,368,682.54
  5. Step 5: Solve for x
    x = 3,798,368,682.54/51,988.40
  6. Step 6: Final answer
    x = 73,061.85

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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.