Home / 83,746.40-125,583.15-27,564.80

Finding the Fourth Proportional to 83,746.40, 125,583.15 and 27,564.80

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Solution

The fourth proportional to 83,746.40, 125,583.15 and 27,564.80 is: 41,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,746.40 : 125,583.15 = 27,564.80 : x
  2. Step 2: Convert to fraction form
    83,746.40/125,583.15 = 27,564.80/x
  3. Step 3: Cross multiply
    83,746.40x = 125,583.15 × 27,564.80
  4. Step 4: Simplify right side
    83,746.40x = 3,461,674,413.12
  5. Step 5: Solve for x
    x = 3,461,674,413.12/83,746.40
  6. Step 6: Final answer
    x = 41,335.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.