Home / 61,745.07-85,211.52-34,888.71

Finding the Fourth Proportional to 61,745.07, 85,211.52 and 34,888.71

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Solution

The fourth proportional to 61,745.07, 85,211.52 and 34,888.71 is: 48,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,745.07 : 85,211.52 = 34,888.71 : x
  2. Step 2: Convert to fraction form
    61,745.07/85,211.52 = 34,888.71/x
  3. Step 3: Cross multiply
    61,745.07x = 85,211.52 × 34,888.71
  4. Step 4: Simplify right side
    61,745.07x = 2,972,920,009.94
  5. Step 5: Solve for x
    x = 2,972,920,009.94/61,745.07
  6. Step 6: Final answer
    x = 48,148.30

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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.