Home / 88,141.77-121,616.64-52,343.82

Finding the Fourth Proportional to 88,141.77, 121,616.64 and 52,343.82

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Solution

The fourth proportional to 88,141.77, 121,616.64 and 52,343.82 is: 72,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,141.77 : 121,616.64 = 52,343.82 : x
  2. Step 2: Convert to fraction form
    88,141.77/121,616.64 = 52,343.82/x
  3. Step 3: Cross multiply
    88,141.77x = 121,616.64 × 52,343.82
  4. Step 4: Simplify right side
    88,141.77x = 6,365,879,513.16
  5. Step 5: Solve for x
    x = 6,365,879,513.16/88,141.77
  6. Step 6: Final answer
    x = 72,223.19

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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.