Home / 61,554.15-84,965.63-38,288.79

Finding the Fourth Proportional to 61,554.15, 84,965.63 and 38,288.79

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Solution

The fourth proportional to 61,554.15, 84,965.63 and 38,288.79 is: 52,851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,554.15 : 84,965.63 = 38,288.79 : x
  2. Step 2: Convert to fraction form
    61,554.15/84,965.63 = 38,288.79/x
  3. Step 3: Cross multiply
    61,554.15x = 84,965.63 × 38,288.79
  4. Step 4: Simplify right side
    61,554.15x = 3,253,230,972.84
  5. Step 5: Solve for x
    x = 3,253,230,972.84/61,554.15
  6. Step 6: Final answer
    x = 52,851.53

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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.