Home / 117,700.16-162,424.28-63,986.52

Finding the Fourth Proportional to 117,700.16, 162,424.28 and 63,986.52

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Solution

The fourth proportional to 117,700.16, 162,424.28 and 63,986.52 is: 88,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.16 : 162,424.28 = 63,986.52 : x
  2. Step 2: Convert to fraction form
    117,700.16/162,424.28 = 63,986.52/x
  3. Step 3: Cross multiply
    117,700.16x = 162,424.28 × 63,986.52
  4. Step 4: Simplify right side
    117,700.16x = 10,392,964,440.71
  5. Step 5: Solve for x
    x = 10,392,964,440.71/117,700.16
  6. Step 6: Final answer
    x = 88,300.34

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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.