Home / 88,304.08-121,870.66-50,578.32

Finding the Fourth Proportional to 88,304.08, 121,870.66 and 50,578.32

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Solution

The fourth proportional to 88,304.08, 121,870.66 and 50,578.32 is: 69,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,304.08 : 121,870.66 = 50,578.32 : x
  2. Step 2: Convert to fraction form
    88,304.08/121,870.66 = 50,578.32/x
  3. Step 3: Cross multiply
    88,304.08x = 121,870.66 × 50,578.32
  4. Step 4: Simplify right side
    88,304.08x = 6,164,013,240.09
  5. Step 5: Solve for x
    x = 6,164,013,240.09/88,304.08
  6. Step 6: Final answer
    x = 69,804.40

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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.