Home / 99,100.28-136,777.26-58,836.12

Finding the Fourth Proportional to 99,100.28, 136,777.26 and 58,836.12

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Solution

The fourth proportional to 99,100.28, 136,777.26 and 58,836.12 is: 81,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,100.28 : 136,777.26 = 58,836.12 : x
  2. Step 2: Convert to fraction form
    99,100.28/136,777.26 = 58,836.12/x
  3. Step 3: Cross multiply
    99,100.28x = 136,777.26 × 58,836.12
  4. Step 4: Simplify right side
    99,100.28x = 8,047,443,282.63
  5. Step 5: Solve for x
    x = 8,047,443,282.63/99,100.28
  6. Step 6: Final answer
    x = 81,205.05

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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.