Home / 93,980.64-141,048.72-70,531.68

Finding the Fourth Proportional to 93,980.64, 141,048.72 and 70,531.68

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Solution

The fourth proportional to 93,980.64, 141,048.72 and 70,531.68 is: 105,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,980.64 : 141,048.72 = 70,531.68 : x
  2. Step 2: Convert to fraction form
    93,980.64/141,048.72 = 70,531.68/x
  3. Step 3: Cross multiply
    93,980.64x = 141,048.72 × 70,531.68
  4. Step 4: Simplify right side
    93,980.64x = 9,948,403,183.45
  5. Step 5: Solve for x
    x = 9,948,403,183.45/93,980.64
  6. Step 6: Final answer
    x = 105,855.88

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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.