Home / 64,657.20-96,886.56-43,518.96

Finding the Fourth Proportional to 64,657.20, 96,886.56 and 43,518.96

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Solution

The fourth proportional to 64,657.20, 96,886.56 and 43,518.96 is: 65,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,657.20 : 96,886.56 = 43,518.96 : x
  2. Step 2: Convert to fraction form
    64,657.20/96,886.56 = 43,518.96/x
  3. Step 3: Cross multiply
    64,657.20x = 96,886.56 × 43,518.96
  4. Step 4: Simplify right side
    64,657.20x = 4,216,402,329.18
  5. Step 5: Solve for x
    x = 4,216,402,329.18/64,657.20
  6. Step 6: Final answer
    x = 65,211.64

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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.