Home / 84,577.44-126,880.83-28,423.02

Finding the Fourth Proportional to 84,577.44, 126,880.83 and 28,423.02

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Solution

The fourth proportional to 84,577.44, 126,880.83 and 28,423.02 is: 42,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,577.44 : 126,880.83 = 28,423.02 : x
  2. Step 2: Convert to fraction form
    84,577.44/126,880.83 = 28,423.02/x
  3. Step 3: Cross multiply
    84,577.44x = 126,880.83 × 28,423.02
  4. Step 4: Simplify right side
    84,577.44x = 3,606,336,368.71
  5. Step 5: Solve for x
    x = 3,606,336,368.71/84,577.44
  6. Step 6: Final answer
    x = 42,639.46

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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.