Home / 61,086.93-84,271.46-38,438.42

Finding the Fourth Proportional to 61,086.93, 84,271.46 and 38,438.42

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Solution

The fourth proportional to 61,086.93, 84,271.46 and 38,438.42 is: 53,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,086.93 : 84,271.46 = 38,438.42 : x
  2. Step 2: Convert to fraction form
    61,086.93/84,271.46 = 38,438.42/x
  3. Step 3: Cross multiply
    61,086.93x = 84,271.46 × 38,438.42
  4. Step 4: Simplify right side
    61,086.93x = 3,239,261,159.94
  5. Step 5: Solve for x
    x = 3,239,261,159.94/61,086.93
  6. Step 6: Final answer
    x = 53,027.08

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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.