Home / 101,575.40-140,140.12-59,124.92

Finding the Fourth Proportional to 101,575.40, 140,140.12 and 59,124.92

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Solution

The fourth proportional to 101,575.40, 140,140.12 and 59,124.92 is: 81,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,575.40 : 140,140.12 = 59,124.92 : x
  2. Step 2: Convert to fraction form
    101,575.40/140,140.12 = 59,124.92/x
  3. Step 3: Cross multiply
    101,575.40x = 140,140.12 × 59,124.92
  4. Step 4: Simplify right side
    101,575.40x = 8,285,773,383.79
  5. Step 5: Solve for x
    x = 8,285,773,383.79/101,575.40
  6. Step 6: Final answer
    x = 81,572.64

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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.