Home / 70,480.08-97,257.76-38,648.30

Finding the Fourth Proportional to 70,480.08, 97,257.76 and 38,648.30

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Solution

The fourth proportional to 70,480.08, 97,257.76 and 38,648.30 is: 53,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,480.08 : 97,257.76 = 38,648.30 : x
  2. Step 2: Convert to fraction form
    70,480.08/97,257.76 = 38,648.30/x
  3. Step 3: Cross multiply
    70,480.08x = 97,257.76 × 38,648.30
  4. Step 4: Simplify right side
    70,480.08x = 3,758,847,085.81
  5. Step 5: Solve for x
    x = 3,758,847,085.81/70,480.08
  6. Step 6: Final answer
    x = 53,332.05

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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.