Home / 107,034.76-147,710.10-59,289.40

Finding the Fourth Proportional to 107,034.76, 147,710.10 and 59,289.40

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Solution

The fourth proportional to 107,034.76, 147,710.10 and 59,289.40 is: 81,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,034.76 : 147,710.10 = 59,289.40 : x
  2. Step 2: Convert to fraction form
    107,034.76/147,710.10 = 59,289.40/x
  3. Step 3: Cross multiply
    107,034.76x = 147,710.10 × 59,289.40
  4. Step 4: Simplify right side
    107,034.76x = 8,757,643,202.94
  5. Step 5: Solve for x
    x = 8,757,643,202.94/107,034.76
  6. Step 6: Final answer
    x = 81,820.55

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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.