Home / 74,867.60-112,360.08-52,231.07

Finding the Fourth Proportional to 74,867.60, 112,360.08 and 52,231.07

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Solution

The fourth proportional to 74,867.60, 112,360.08 and 52,231.07 is: 78,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,867.60 : 112,360.08 = 52,231.07 : x
  2. Step 2: Convert to fraction form
    74,867.60/112,360.08 = 52,231.07/x
  3. Step 3: Cross multiply
    74,867.60x = 112,360.08 × 52,231.07
  4. Step 4: Simplify right side
    74,867.60x = 5,868,686,641.89
  5. Step 5: Solve for x
    x = 5,868,686,641.89/74,867.60
  6. Step 6: Final answer
    x = 78,387.54

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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.