Home / 117,880.47-162,674.88-64,165.32

Finding the Fourth Proportional to 117,880.47, 162,674.88 and 64,165.32

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Solution

The fourth proportional to 117,880.47, 162,674.88 and 64,165.32 is: 88,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,880.47 : 162,674.88 = 64,165.32 : x
  2. Step 2: Convert to fraction form
    117,880.47/162,674.88 = 64,165.32/x
  3. Step 3: Cross multiply
    117,880.47x = 162,674.88 × 64,165.32
  4. Step 4: Simplify right side
    117,880.47x = 10,438,085,731.16
  5. Step 5: Solve for x
    x = 10,438,085,731.16/117,880.47
  6. Step 6: Final answer
    x = 88,548.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.