Home / 107,100.80-147,790.40-59,356.16

Finding the Fourth Proportional to 107,100.80, 147,790.40 and 59,356.16

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Solution

The fourth proportional to 107,100.80, 147,790.40 and 59,356.16 is: 81,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,100.80 : 147,790.40 = 59,356.16 : x
  2. Step 2: Convert to fraction form
    107,100.80/147,790.40 = 59,356.16/x
  3. Step 3: Cross multiply
    107,100.80x = 147,790.40 × 59,356.16
  4. Step 4: Simplify right side
    107,100.80x = 8,772,270,628.86
  5. Step 5: Solve for x
    x = 8,772,270,628.86/107,100.80
  6. Step 6: Final answer
    x = 81,906.68

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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.