Home / 115,904.60-173,856.90-56,749.40

Finding the Fourth Proportional to 115,904.60, 173,856.90 and 56,749.40

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Solution

The fourth proportional to 115,904.60, 173,856.90 and 56,749.40 is: 85,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,904.60 : 173,856.90 = 56,749.40 : x
  2. Step 2: Convert to fraction form
    115,904.60/173,856.90 = 56,749.40/x
  3. Step 3: Cross multiply
    115,904.60x = 173,856.90 × 56,749.40
  4. Step 4: Simplify right side
    115,904.60x = 9,866,274,760.86
  5. Step 5: Solve for x
    x = 9,866,274,760.86/115,904.60
  6. Step 6: Final answer
    x = 85,124.10

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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.