Home / 88,590.30-132,889.05-29,431.50

Finding the Fourth Proportional to 88,590.30, 132,889.05 and 29,431.50

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Solution

The fourth proportional to 88,590.30, 132,889.05 and 29,431.50 is: 44,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,590.30 : 132,889.05 = 29,431.50 : x
  2. Step 2: Convert to fraction form
    88,590.30/132,889.05 = 29,431.50/x
  3. Step 3: Cross multiply
    88,590.30x = 132,889.05 × 29,431.50
  4. Step 4: Simplify right side
    88,590.30x = 3,911,124,075.08
  5. Step 5: Solve for x
    x = 3,911,124,075.08/88,590.30
  6. Step 6: Final answer
    x = 44,148.45

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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.