Home / 57,718.73-86,577.64-31,077.20

Finding the Fourth Proportional to 57,718.73, 86,577.64 and 31,077.20

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Solution

The fourth proportional to 57,718.73, 86,577.64 and 31,077.20 is: 46,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,718.73 : 86,577.64 = 31,077.20 : x
  2. Step 2: Convert to fraction form
    57,718.73/86,577.64 = 31,077.20/x
  3. Step 3: Cross multiply
    57,718.73x = 86,577.64 × 31,077.20
  4. Step 4: Simplify right side
    57,718.73x = 2,690,590,447.89
  5. Step 5: Solve for x
    x = 2,690,590,447.89/57,718.73
  6. Step 6: Final answer
    x = 46,615.55

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1.5x scale

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.