Home / 88,437.40-132,569.70-79,106.20

Finding the Fourth Proportional to 88,437.40, 132,569.70 and 79,106.20

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Solution

The fourth proportional to 88,437.40, 132,569.70 and 79,106.20 is: 118,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,437.40 : 132,569.70 = 79,106.20 : x
  2. Step 2: Convert to fraction form
    88,437.40/132,569.70 = 79,106.20/x
  3. Step 3: Cross multiply
    88,437.40x = 132,569.70 × 79,106.20
  4. Step 4: Simplify right side
    88,437.40x = 10,487,085,202.14
  5. Step 5: Solve for x
    x = 10,487,085,202.14/88,437.40
  6. Step 6: Final answer
    x = 118,582.02

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1.5x scale

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.