Home / 75,307.39-112,928.26-25,378.18

Finding the Fourth Proportional to 75,307.39, 112,928.26 and 25,378.18

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Solution

The fourth proportional to 75,307.39, 112,928.26 and 25,378.18 is: 38,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,307.39 : 112,928.26 = 25,378.18 : x
  2. Step 2: Convert to fraction form
    75,307.39/112,928.26 = 25,378.18/x
  3. Step 3: Cross multiply
    75,307.39x = 112,928.26 × 25,378.18
  4. Step 4: Simplify right side
    75,307.39x = 2,865,913,709.37
  5. Step 5: Solve for x
    x = 2,865,913,709.37/75,307.39
  6. Step 6: Final answer
    x = 38,056.21

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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.