Home / 88,570.16-132,989.40-76,225.52

Finding the Fourth Proportional to 88,570.16, 132,989.40 and 76,225.52

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Solution

The fourth proportional to 88,570.16, 132,989.40 and 76,225.52 is: 114,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,570.16 : 132,989.40 = 76,225.52 : x
  2. Step 2: Convert to fraction form
    88,570.16/132,989.40 = 76,225.52/x
  3. Step 3: Cross multiply
    88,570.16x = 132,989.40 × 76,225.52
  4. Step 4: Simplify right side
    88,570.16x = 10,137,186,169.49
  5. Step 5: Solve for x
    x = 10,137,186,169.49/88,570.16
  6. Step 6: Final answer
    x = 114,453.74

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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.