Home / 70,545.27-97,348.75-40,326.60

Finding the Fourth Proportional to 70,545.27, 97,348.75 and 40,326.60

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Solution

The fourth proportional to 70,545.27, 97,348.75 and 40,326.60 is: 55,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,545.27 : 97,348.75 = 40,326.60 : x
  2. Step 2: Convert to fraction form
    70,545.27/97,348.75 = 40,326.60/x
  3. Step 3: Cross multiply
    70,545.27x = 97,348.75 × 40,326.60
  4. Step 4: Simplify right side
    70,545.27x = 3,925,744,101.75
  5. Step 5: Solve for x
    x = 3,925,744,101.75/70,545.27
  6. Step 6: Final answer
    x = 55,648.58

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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.