Home / 53,643.92-74,031.14-29,770.80

Finding the Fourth Proportional to 53,643.92, 74,031.14 and 29,770.80

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Solution

The fourth proportional to 53,643.92, 74,031.14 and 29,770.80 is: 41,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,643.92 : 74,031.14 = 29,770.80 : x
  2. Step 2: Convert to fraction form
    53,643.92/74,031.14 = 29,770.80/x
  3. Step 3: Cross multiply
    53,643.92x = 74,031.14 × 29,770.80
  4. Step 4: Simplify right side
    53,643.92x = 2,203,966,262.71
  5. Step 5: Solve for x
    x = 2,203,966,262.71/53,643.92
  6. Step 6: Final answer
    x = 41,085.11

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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.