Home / 117,762.34-162,512.79-64,047.74

Finding the Fourth Proportional to 117,762.34, 162,512.79 and 64,047.74

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Solution

The fourth proportional to 117,762.34, 162,512.79 and 64,047.74 is: 88,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,762.34 : 162,512.79 = 64,047.74 : x
  2. Step 2: Convert to fraction form
    117,762.34/162,512.79 = 64,047.74/x
  3. Step 3: Cross multiply
    117,762.34x = 162,512.79 × 64,047.74
  4. Step 4: Simplify right side
    117,762.34x = 10,408,577,326.88
  5. Step 5: Solve for x
    x = 10,408,577,326.88/117,762.34
  6. Step 6: Final answer
    x = 88,386.30

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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.