Home / 53,779.06-74,216.90-29,581.04

Finding the Fourth Proportional to 53,779.06, 74,216.90 and 29,581.04

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Solution

The fourth proportional to 53,779.06, 74,216.90 and 29,581.04 is: 40,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.06 : 74,216.90 = 29,581.04 : x
  2. Step 2: Convert to fraction form
    53,779.06/74,216.90 = 29,581.04/x
  3. Step 3: Cross multiply
    53,779.06x = 74,216.90 × 29,581.04
  4. Step 4: Simplify right side
    53,779.06x = 2,195,413,087.58
  5. Step 5: Solve for x
    x = 2,195,413,087.58/53,779.06
  6. Step 6: Final answer
    x = 40,822.82

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1.5x scale

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.