Home / 101,897.35-140,635.08-59,455.78

Finding the Fourth Proportional to 101,897.35, 140,635.08 and 59,455.78

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Solution

The fourth proportional to 101,897.35, 140,635.08 and 59,455.78 is: 82,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,897.35 : 140,635.08 = 59,455.78 : x
  2. Step 2: Convert to fraction form
    101,897.35/140,635.08 = 59,455.78/x
  3. Step 3: Cross multiply
    101,897.35x = 140,635.08 × 59,455.78
  4. Step 4: Simplify right side
    101,897.35x = 8,361,568,376.76
  5. Step 5: Solve for x
    x = 8,361,568,376.76/101,897.35
  6. Step 6: Final answer
    x = 82,058.74

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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.