Home / 62,880.16-86,774.40-36,031.68

Finding the Fourth Proportional to 62,880.16, 86,774.40 and 36,031.68

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Solution

The fourth proportional to 62,880.16, 86,774.40 and 36,031.68 is: 49,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,880.16 : 86,774.40 = 36,031.68 : x
  2. Step 2: Convert to fraction form
    62,880.16/86,774.40 = 36,031.68/x
  3. Step 3: Cross multiply
    62,880.16x = 86,774.40 × 36,031.68
  4. Step 4: Simplify right side
    62,880.16x = 3,126,627,412.99
  5. Step 5: Solve for x
    x = 3,126,627,412.99/62,880.16
  6. Step 6: Final answer
    x = 49,723.59

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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.