Home / 77,082.96-115,621.98-34,932.18

Finding the Fourth Proportional to 77,082.96, 115,621.98 and 34,932.18

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Solution

The fourth proportional to 77,082.96, 115,621.98 and 34,932.18 is: 52,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,082.96 : 115,621.98 = 34,932.18 : x
  2. Step 2: Convert to fraction form
    77,082.96/115,621.98 = 34,932.18/x
  3. Step 3: Cross multiply
    77,082.96x = 115,621.98 × 34,932.18
  4. Step 4: Simplify right side
    77,082.96x = 4,038,927,817.32
  5. Step 5: Solve for x
    x = 4,038,927,817.32/77,082.96
  6. Step 6: Final answer
    x = 52,397.16

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1.5x scale

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.