Home / 95,139.60-142,709.40-58,275.60

Finding the Fourth Proportional to 95,139.60, 142,709.40 and 58,275.60

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Solution

The fourth proportional to 95,139.60, 142,709.40 and 58,275.60 is: 87,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,139.60 : 142,709.40 = 58,275.60 : x
  2. Step 2: Convert to fraction form
    95,139.60/142,709.40 = 58,275.60/x
  3. Step 3: Cross multiply
    95,139.60x = 142,709.40 × 58,275.60
  4. Step 4: Simplify right side
    95,139.60x = 8,316,475,910.64
  5. Step 5: Solve for x
    x = 8,316,475,910.64/95,139.60
  6. Step 6: Final answer
    x = 87,413.40

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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.