Home / 117,948.08-162,783.24-67,646

Finding the Fourth Proportional to 117,948.08, 162,783.24 and 67,646

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Solution

The fourth proportional to 117,948.08, 162,783.24 and 67,646 is: 93,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,948.08 : 162,783.24 = 67,646 : x
  2. Step 2: Convert to fraction form
    117,948.08/162,783.24 = 67,646/x
  3. Step 3: Cross multiply
    117,948.08x = 162,783.24 × 67,646
  4. Step 4: Simplify right side
    117,948.08x = 11,011,635,053.04
  5. Step 5: Solve for x
    x = 11,011,635,053.04/117,948.08
  6. Step 6: Final answer
    x = 93,360.02

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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.