Home / 107,070.69-147,751.38-59,321.19

Finding the Fourth Proportional to 107,070.69, 147,751.38 and 59,321.19

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Solution

The fourth proportional to 107,070.69, 147,751.38 and 59,321.19 is: 81,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,070.69 : 147,751.38 = 59,321.19 : x
  2. Step 2: Convert to fraction form
    107,070.69/147,751.38 = 59,321.19/x
  3. Step 3: Cross multiply
    107,070.69x = 147,751.38 × 59,321.19
  4. Step 4: Simplify right side
    107,070.69x = 8,764,787,685.74
  5. Step 5: Solve for x
    x = 8,764,787,685.74/107,070.69
  6. Step 6: Final answer
    x = 81,859.82

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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.