Home / 75,409.16-113,125.98-25,492.20

Finding the Fourth Proportional to 75,409.16, 113,125.98 and 25,492.20

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Solution

The fourth proportional to 75,409.16, 113,125.98 and 25,492.20 is: 38,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,409.16 : 113,125.98 = 25,492.20 : x
  2. Step 2: Convert to fraction form
    75,409.16/113,125.98 = 25,492.20/x
  3. Step 3: Cross multiply
    75,409.16x = 113,125.98 × 25,492.20
  4. Step 4: Simplify right side
    75,409.16x = 2,883,830,107.36
  5. Step 5: Solve for x
    x = 2,883,830,107.36/75,409.16
  6. Step 6: Final answer
    x = 38,242.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.