Home / 72,298.16-108,258.61-58,181.08

Finding the Fourth Proportional to 72,298.16, 108,258.61 and 58,181.08

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Solution

The fourth proportional to 72,298.16, 108,258.61 and 58,181.08 is: 87,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,298.16 : 108,258.61 = 58,181.08 : x
  2. Step 2: Convert to fraction form
    72,298.16/108,258.61 = 58,181.08/x
  3. Step 3: Cross multiply
    72,298.16x = 108,258.61 × 58,181.08
  4. Step 4: Simplify right side
    72,298.16x = 6,298,602,433.00
  5. Step 5: Solve for x
    x = 6,298,602,433.00/72,298.16
  6. Step 6: Final answer
    x = 87,119.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.