Home / 88,012.79-131,966.45-28,015.36

Finding the Fourth Proportional to 88,012.79, 131,966.45 and 28,015.36

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Solution

The fourth proportional to 88,012.79, 131,966.45 and 28,015.36 is: 42,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,012.79 : 131,966.45 = 28,015.36 : x
  2. Step 2: Convert to fraction form
    88,012.79/131,966.45 = 28,015.36/x
  3. Step 3: Cross multiply
    88,012.79x = 131,966.45 × 28,015.36
  4. Step 4: Simplify right side
    88,012.79x = 3,697,086,804.76
  5. Step 5: Solve for x
    x = 3,697,086,804.76/88,012.79
  6. Step 6: Final answer
    x = 42,006.24

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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.