Home / 88,402.16-121,954.88-52,571.76

Finding the Fourth Proportional to 88,402.16, 121,954.88 and 52,571.76

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Solution

The fourth proportional to 88,402.16, 121,954.88 and 52,571.76 is: 72,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,402.16 : 121,954.88 = 52,571.76 : x
  2. Step 2: Convert to fraction form
    88,402.16/121,954.88 = 52,571.76/x
  3. Step 3: Cross multiply
    88,402.16x = 121,954.88 × 52,571.76
  4. Step 4: Simplify right side
    88,402.16x = 6,411,382,682.19
  5. Step 5: Solve for x
    x = 6,411,382,682.19/88,402.16
  6. Step 6: Final answer
    x = 72,525.18

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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.