Home / 53,779.71-74,226.68-31,126.04

Finding the Fourth Proportional to 53,779.71, 74,226.68 and 31,126.04

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Solution

The fourth proportional to 53,779.71, 74,226.68 and 31,126.04 is: 42,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.71 : 74,226.68 = 31,126.04 : x
  2. Step 2: Convert to fraction form
    53,779.71/74,226.68 = 31,126.04/x
  3. Step 3: Cross multiply
    53,779.71x = 74,226.68 × 31,126.04
  4. Step 4: Simplify right side
    53,779.71x = 2,310,382,479.06
  5. Step 5: Solve for x
    x = 2,310,382,479.06/53,779.71
  6. Step 6: Final answer
    x = 42,960.11

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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.