Home / 97,719.60-146,482.20-45,037.20

Finding the Fourth Proportional to 97,719.60, 146,482.20 and 45,037.20

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Solution

The fourth proportional to 97,719.60, 146,482.20 and 45,037.20 is: 67,511.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,719.60 : 146,482.20 = 45,037.20 : x
  2. Step 2: Convert to fraction form
    97,719.60/146,482.20 = 45,037.20/x
  3. Step 3: Cross multiply
    97,719.60x = 146,482.20 × 45,037.20
  4. Step 4: Simplify right side
    97,719.60x = 6,597,148,137.84
  5. Step 5: Solve for x
    x = 6,597,148,137.84/97,719.60
  6. Step 6: Final answer
    x = 67,511.00

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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.