Home / 78,528.57-108,409.55-60,583.29

Finding the Fourth Proportional to 78,528.57, 108,409.55 and 60,583.29

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Solution

The fourth proportional to 78,528.57, 108,409.55 and 60,583.29 is: 83,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,528.57 : 108,409.55 = 60,583.29 : x
  2. Step 2: Convert to fraction form
    78,528.57/108,409.55 = 60,583.29/x
  3. Step 3: Cross multiply
    78,528.57x = 108,409.55 × 60,583.29
  4. Step 4: Simplify right side
    78,528.57x = 6,567,807,206.42
  5. Step 5: Solve for x
    x = 6,567,807,206.42/78,528.57
  6. Step 6: Final answer
    x = 83,635.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.