Home / 53,335.19-79,829.17-39,289.70

Finding the Fourth Proportional to 53,335.19, 79,829.17 and 39,289.70

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Solution

The fourth proportional to 53,335.19, 79,829.17 and 39,289.70 is: 58,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,335.19 : 79,829.17 = 39,289.70 : x
  2. Step 2: Convert to fraction form
    53,335.19/79,829.17 = 39,289.70/x
  3. Step 3: Cross multiply
    53,335.19x = 79,829.17 × 39,289.70
  4. Step 4: Simplify right side
    53,335.19x = 3,136,464,140.55
  5. Step 5: Solve for x
    x = 3,136,464,140.55/53,335.19
  6. Step 6: Final answer
    x = 58,806.66

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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.