Home / 117,717.40-162,453.28-64,006.10

Finding the Fourth Proportional to 117,717.40, 162,453.28 and 64,006.10

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Solution

The fourth proportional to 117,717.40, 162,453.28 and 64,006.10 is: 88,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,717.40 : 162,453.28 = 64,006.10 : x
  2. Step 2: Convert to fraction form
    117,717.40/162,453.28 = 64,006.10/x
  3. Step 3: Cross multiply
    117,717.40x = 162,453.28 × 64,006.10
  4. Step 4: Simplify right side
    117,717.40x = 10,398,000,072.74
  5. Step 5: Solve for x
    x = 10,398,000,072.74/117,717.40
  6. Step 6: Final answer
    x = 88,330.19

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1.5x scale

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.