Home / 61,776.53-85,187.93-52,853.57

Finding the Fourth Proportional to 61,776.53, 85,187.93 and 52,853.57

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Solution

The fourth proportional to 61,776.53, 85,187.93 and 52,853.57 is: 72,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,776.53 : 85,187.93 = 52,853.57 : x
  2. Step 2: Convert to fraction form
    61,776.53/85,187.93 = 52,853.57/x
  3. Step 3: Cross multiply
    61,776.53x = 85,187.93 × 52,853.57
  4. Step 4: Simplify right side
    61,776.53x = 4,502,486,221.41
  5. Step 5: Solve for x
    x = 4,502,486,221.41/61,776.53
  6. Step 6: Final answer
    x = 72,883.44

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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.