Home / 83,106.19-114,646.51-54,413.20

Finding the Fourth Proportional to 83,106.19, 114,646.51 and 54,413.20

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Solution

The fourth proportional to 83,106.19, 114,646.51 and 54,413.20 is: 75,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106.19 : 114,646.51 = 54,413.20 : x
  2. Step 2: Convert to fraction form
    83,106.19/114,646.51 = 54,413.20/x
  3. Step 3: Cross multiply
    83,106.19x = 114,646.51 × 54,413.20
  4. Step 4: Simplify right side
    83,106.19x = 6,238,283,842.29
  5. Step 5: Solve for x
    x = 6,238,283,842.29/83,106.19
  6. Step 6: Final answer
    x = 75,064.01

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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.