Home / 68,885.55-95,065.21-38,258.76

Finding the Fourth Proportional to 68,885.55, 95,065.21 and 38,258.76

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Solution

The fourth proportional to 68,885.55, 95,065.21 and 38,258.76 is: 52,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,885.55 : 95,065.21 = 38,258.76 : x
  2. Step 2: Convert to fraction form
    68,885.55/95,065.21 = 38,258.76/x
  3. Step 3: Cross multiply
    68,885.55x = 95,065.21 × 38,258.76
  4. Step 4: Simplify right side
    68,885.55x = 3,637,077,053.74
  5. Step 5: Solve for x
    x = 3,637,077,053.74/68,885.55
  6. Step 6: Final answer
    x = 52,798.84

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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.