Home / 53,435.62-79,985.76-35,631.28

Finding the Fourth Proportional to 53,435.62, 79,985.76 and 35,631.28

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Solution

The fourth proportional to 53,435.62, 79,985.76 and 35,631.28 is: 53,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,435.62 : 79,985.76 = 35,631.28 : x
  2. Step 2: Convert to fraction form
    53,435.62/79,985.76 = 35,631.28/x
  3. Step 3: Cross multiply
    53,435.62x = 79,985.76 × 35,631.28
  4. Step 4: Simplify right side
    53,435.62x = 2,849,995,010.57
  5. Step 5: Solve for x
    x = 2,849,995,010.57/53,435.62
  6. Step 6: Final answer
    x = 53,335.12

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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.