Home / 61,928.10-85,266.54-54,652.68

Finding the Fourth Proportional to 61,928.10, 85,266.54 and 54,652.68

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Solution

The fourth proportional to 61,928.10, 85,266.54 and 54,652.68 is: 75,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,928.10 : 85,266.54 = 54,652.68 : x
  2. Step 2: Convert to fraction form
    61,928.10/85,266.54 = 54,652.68/x
  3. Step 3: Cross multiply
    61,928.10x = 85,266.54 × 54,652.68
  4. Step 4: Simplify right side
    61,928.10x = 4,660,044,925.33
  5. Step 5: Solve for x
    x = 4,660,044,925.33/61,928.10
  6. Step 6: Final answer
    x = 75,249.28

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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.