Home / 107,107.45-147,808.30-59,363.88

Finding the Fourth Proportional to 107,107.45, 147,808.30 and 59,363.88

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Solution

The fourth proportional to 107,107.45, 147,808.30 and 59,363.88 is: 81,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,107.45 : 147,808.30 = 59,363.88 : x
  2. Step 2: Convert to fraction form
    107,107.45/147,808.30 = 59,363.88/x
  3. Step 3: Cross multiply
    107,107.45x = 147,808.30 × 59,363.88
  4. Step 4: Simplify right side
    107,107.45x = 8,774,473,887.38
  5. Step 5: Solve for x
    x = 8,774,473,887.38/107,107.45
  6. Step 6: Final answer
    x = 81,922.16

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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.