Home / 77,034.75-106,271.17-48,340.12

Finding the Fourth Proportional to 77,034.75, 106,271.17 and 48,340.12

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Solution

The fourth proportional to 77,034.75, 106,271.17 and 48,340.12 is: 66,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,034.75 : 106,271.17 = 48,340.12 : x
  2. Step 2: Convert to fraction form
    77,034.75/106,271.17 = 48,340.12/x
  3. Step 3: Cross multiply
    77,034.75x = 106,271.17 × 48,340.12
  4. Step 4: Simplify right side
    77,034.75x = 5,137,161,110.34
  5. Step 5: Solve for x
    x = 5,137,161,110.34/77,034.75
  6. Step 6: Final answer
    x = 66,686.28

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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.