Home / 57,088.31-78,780.24-31,595.72

Finding the Fourth Proportional to 57,088.31, 78,780.24 and 31,595.72

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Solution

The fourth proportional to 57,088.31, 78,780.24 and 31,595.72 is: 43,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088.31 : 78,780.24 = 31,595.72 : x
  2. Step 2: Convert to fraction form
    57,088.31/78,780.24 = 31,595.72/x
  3. Step 3: Cross multiply
    57,088.31x = 78,780.24 × 31,595.72
  4. Step 4: Simplify right side
    57,088.31x = 2,489,118,010.67
  5. Step 5: Solve for x
    x = 2,489,118,010.67/57,088.31
  6. Step 6: Final answer
    x = 43,601.19

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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.