Home / 62,521.40-86,319.79-55,795.48

Finding the Fourth Proportional to 62,521.40, 86,319.79 and 55,795.48

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Solution

The fourth proportional to 62,521.40, 86,319.79 and 55,795.48 is: 77,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,521.40 : 86,319.79 = 55,795.48 : x
  2. Step 2: Convert to fraction form
    62,521.40/86,319.79 = 55,795.48/x
  3. Step 3: Cross multiply
    62,521.40x = 86,319.79 × 55,795.48
  4. Step 4: Simplify right side
    62,521.40x = 4,816,253,761.26
  5. Step 5: Solve for x
    x = 4,816,253,761.26/62,521.40
  6. Step 6: Final answer
    x = 77,033.68

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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.