Home / 88,707.09-122,399.40-50,464.40

Finding the Fourth Proportional to 88,707.09, 122,399.40 and 50,464.40

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Solution

The fourth proportional to 88,707.09, 122,399.40 and 50,464.40 is: 69,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,707.09 : 122,399.40 = 50,464.40 : x
  2. Step 2: Convert to fraction form
    88,707.09/122,399.40 = 50,464.40/x
  3. Step 3: Cross multiply
    88,707.09x = 122,399.40 × 50,464.40
  4. Step 4: Simplify right side
    88,707.09x = 6,176,812,587.36
  5. Step 5: Solve for x
    x = 6,176,812,587.36/88,707.09
  6. Step 6: Final answer
    x = 69,631.55

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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.