Home / 88,953.32-133,439.28-28,986.46

Finding the Fourth Proportional to 88,953.32, 133,439.28 and 28,986.46

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Solution

The fourth proportional to 88,953.32, 133,439.28 and 28,986.46 is: 43,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,953.32 : 133,439.28 = 28,986.46 : x
  2. Step 2: Convert to fraction form
    88,953.32/133,439.28 = 28,986.46/x
  3. Step 3: Cross multiply
    88,953.32x = 133,439.28 × 28,986.46
  4. Step 4: Simplify right side
    88,953.32x = 3,867,932,352.15
  5. Step 5: Solve for x
    x = 3,867,932,352.15/88,953.32
  6. Step 6: Final answer
    x = 43,482.72

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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.