Home / 75,938.39-113,916.70-31,595.14

Finding the Fourth Proportional to 75,938.39, 113,916.70 and 31,595.14

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Solution

The fourth proportional to 75,938.39, 113,916.70 and 31,595.14 is: 47,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,938.39 : 113,916.70 = 31,595.14 : x
  2. Step 2: Convert to fraction form
    75,938.39/113,916.70 = 31,595.14/x
  3. Step 3: Cross multiply
    75,938.39x = 113,916.70 × 31,595.14
  4. Step 4: Simplify right side
    75,938.39x = 3,599,214,084.84
  5. Step 5: Solve for x
    x = 3,599,214,084.84/75,938.39
  6. Step 6: Final answer
    x = 47,396.50

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1.5x scale

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.