Home / 117,746.36-162,490.74-64,031.96

Finding the Fourth Proportional to 117,746.36, 162,490.74 and 64,031.96

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Solution

The fourth proportional to 117,746.36, 162,490.74 and 64,031.96 is: 88,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,746.36 : 162,490.74 = 64,031.96 : x
  2. Step 2: Convert to fraction form
    117,746.36/162,490.74 = 64,031.96/x
  3. Step 3: Cross multiply
    117,746.36x = 162,490.74 × 64,031.96
  4. Step 4: Simplify right side
    117,746.36x = 10,404,600,564.05
  5. Step 5: Solve for x
    x = 10,404,600,564.05/117,746.36
  6. Step 6: Final answer
    x = 88,364.52

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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.