Home / 61,777.14-85,261.59-39,118.23

Finding the Fourth Proportional to 61,777.14, 85,261.59 and 39,118.23

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Solution

The fourth proportional to 61,777.14, 85,261.59 and 39,118.23 is: 53,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,777.14 : 85,261.59 = 39,118.23 : x
  2. Step 2: Convert to fraction form
    61,777.14/85,261.59 = 39,118.23/x
  3. Step 3: Cross multiply
    61,777.14x = 85,261.59 × 39,118.23
  4. Step 4: Simplify right side
    61,777.14x = 3,335,282,487.79
  5. Step 5: Solve for x
    x = 3,335,282,487.79/61,777.14
  6. Step 6: Final answer
    x = 53,988.94

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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.