Home / 70,479.19-97,261.18-38,648.08

Finding the Fourth Proportional to 70,479.19, 97,261.18 and 38,648.08

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Solution

The fourth proportional to 70,479.19, 97,261.18 and 38,648.08 is: 53,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,479.19 : 97,261.18 = 38,648.08 : x
  2. Step 2: Convert to fraction form
    70,479.19/97,261.18 = 38,648.08/x
  3. Step 3: Cross multiply
    70,479.19x = 97,261.18 × 38,648.08
  4. Step 4: Simplify right side
    70,479.19x = 3,758,957,865.53
  5. Step 5: Solve for x
    x = 3,758,957,865.53/70,479.19
  6. Step 6: Final answer
    x = 53,334.29

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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.