Home / 124,081.54-171,216.30-70,346.92

Finding the Fourth Proportional to 124,081.54, 171,216.30 and 70,346.92

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Solution

The fourth proportional to 124,081.54, 171,216.30 and 70,346.92 is: 97,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,081.54 : 171,216.30 = 70,346.92 : x
  2. Step 2: Convert to fraction form
    124,081.54/171,216.30 = 70,346.92/x
  3. Step 3: Cross multiply
    124,081.54x = 171,216.30 × 70,346.92
  4. Step 4: Simplify right side
    124,081.54x = 12,044,539,358.80
  5. Step 5: Solve for x
    x = 12,044,539,358.80/124,081.54
  6. Step 6: Final answer
    x = 97,069.55

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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.