Home / 77,192.59-106,527.68-43,200.81

Finding the Fourth Proportional to 77,192.59, 106,527.68 and 43,200.81

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Solution

The fourth proportional to 77,192.59, 106,527.68 and 43,200.81 is: 59,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,192.59 : 106,527.68 = 43,200.81 : x
  2. Step 2: Convert to fraction form
    77,192.59/106,527.68 = 43,200.81/x
  3. Step 3: Cross multiply
    77,192.59x = 106,527.68 × 43,200.81
  4. Step 4: Simplify right side
    77,192.59x = 4,602,082,063.42
  5. Step 5: Solve for x
    x = 4,602,082,063.42/77,192.59
  6. Step 6: Final answer
    x = 59,618.18

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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.