Home / 117,776.16-176,639.22-38,871.60

Finding the Fourth Proportional to 117,776.16, 176,639.22 and 38,871.60

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Solution

The fourth proportional to 117,776.16, 176,639.22 and 38,871.60 is: 58,299.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,776.16 : 176,639.22 = 38,871.60 : x
  2. Step 2: Convert to fraction form
    117,776.16/176,639.22 = 38,871.60/x
  3. Step 3: Cross multiply
    117,776.16x = 176,639.22 × 38,871.60
  4. Step 4: Simplify right side
    117,776.16x = 6,866,249,104.15
  5. Step 5: Solve for x
    x = 6,866,249,104.15/117,776.16
  6. Step 6: Final answer
    x = 58,299.14

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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.