Home / 75,925.60-113,885.70-34,372.60

Finding the Fourth Proportional to 75,925.60, 113,885.70 and 34,372.60

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Solution

The fourth proportional to 75,925.60, 113,885.70 and 34,372.60 is: 51,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,925.60 : 113,885.70 = 34,372.60 : x
  2. Step 2: Convert to fraction form
    75,925.60/113,885.70 = 34,372.60/x
  3. Step 3: Cross multiply
    75,925.60x = 113,885.70 × 34,372.60
  4. Step 4: Simplify right side
    75,925.60x = 3,914,547,611.82
  5. Step 5: Solve for x
    x = 3,914,547,611.82/75,925.60
  6. Step 6: Final answer
    x = 51,557.68

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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.