Home / 85,867.56-118,493.10-47,624.16

Finding the Fourth Proportional to 85,867.56, 118,493.10 and 47,624.16

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Solution

The fourth proportional to 85,867.56, 118,493.10 and 47,624.16 is: 65,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,867.56 : 118,493.10 = 47,624.16 : x
  2. Step 2: Convert to fraction form
    85,867.56/118,493.10 = 47,624.16/x
  3. Step 3: Cross multiply
    85,867.56x = 118,493.10 × 47,624.16
  4. Step 4: Simplify right side
    85,867.56x = 5,643,134,353.30
  5. Step 5: Solve for x
    x = 5,643,134,353.30/85,867.56
  6. Step 6: Final answer
    x = 65,719.05

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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.