Home / 64,539.18-89,065.13-35,860.68

Finding the Fourth Proportional to 64,539.18, 89,065.13 and 35,860.68

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Solution

The fourth proportional to 64,539.18, 89,065.13 and 35,860.68 is: 49,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,539.18 : 89,065.13 = 35,860.68 : x
  2. Step 2: Convert to fraction form
    64,539.18/89,065.13 = 35,860.68/x
  3. Step 3: Cross multiply
    64,539.18x = 89,065.13 × 35,860.68
  4. Step 4: Simplify right side
    64,539.18x = 3,193,935,946.79
  5. Step 5: Solve for x
    x = 3,193,935,946.79/64,539.18
  6. Step 6: Final answer
    x = 49,488.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.