Home / 70,051.61-96,671.54-38,221.18

Finding the Fourth Proportional to 70,051.61, 96,671.54 and 38,221.18

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Solution

The fourth proportional to 70,051.61, 96,671.54 and 38,221.18 is: 52,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,051.61 : 96,671.54 = 38,221.18 : x
  2. Step 2: Convert to fraction form
    70,051.61/96,671.54 = 38,221.18/x
  3. Step 3: Cross multiply
    70,051.61x = 96,671.54 × 38,221.18
  4. Step 4: Simplify right side
    70,051.61x = 3,694,900,331.22
  5. Step 5: Solve for x
    x = 3,694,900,331.22/70,051.61
  6. Step 6: Final answer
    x = 52,745.40

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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.