Home / 107,153.09-147,874.77-59,410.88

Finding the Fourth Proportional to 107,153.09, 147,874.77 and 59,410.88

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Solution

The fourth proportional to 107,153.09, 147,874.77 and 59,410.88 is: 81,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,153.09 : 147,874.77 = 59,410.88 : x
  2. Step 2: Convert to fraction form
    107,153.09/147,874.77 = 59,410.88/x
  3. Step 3: Cross multiply
    107,153.09x = 147,874.77 × 59,410.88
  4. Step 4: Simplify right side
    107,153.09x = 8,785,370,215.50
  5. Step 5: Solve for x
    x = 8,785,370,215.50/107,153.09
  6. Step 6: Final answer
    x = 81,988.96

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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.