Home / 88,047.18-132,070.86-31,163.40

Finding the Fourth Proportional to 88,047.18, 132,070.86 and 31,163.40

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Solution

The fourth proportional to 88,047.18, 132,070.86 and 31,163.40 is: 46,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,047.18 : 132,070.86 = 31,163.40 : x
  2. Step 2: Convert to fraction form
    88,047.18/132,070.86 = 31,163.40/x
  3. Step 3: Cross multiply
    88,047.18x = 132,070.86 × 31,163.40
  4. Step 4: Simplify right side
    88,047.18x = 4,115,777,038.52
  5. Step 5: Solve for x
    x = 4,115,777,038.52/88,047.18
  6. Step 6: Final answer
    x = 46,745.13

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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.