Home / 107,130.10-147,850.14-59,392.68

Finding the Fourth Proportional to 107,130.10, 147,850.14 and 59,392.68

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Solution

The fourth proportional to 107,130.10, 147,850.14 and 59,392.68 is: 81,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,130.10 : 147,850.14 = 59,392.68 : x
  2. Step 2: Convert to fraction form
    107,130.10/147,850.14 = 59,392.68/x
  3. Step 3: Cross multiply
    107,130.10x = 147,850.14 × 59,392.68
  4. Step 4: Simplify right side
    107,130.10x = 8,781,216,052.98
  5. Step 5: Solve for x
    x = 8,781,216,052.98/107,130.10
  6. Step 6: Final answer
    x = 81,967.78

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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.