Home / 117,812.05-162,581.33-64,097.45

Finding the Fourth Proportional to 117,812.05, 162,581.33 and 64,097.45

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Solution

The fourth proportional to 117,812.05, 162,581.33 and 64,097.45 is: 88,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,812.05 : 162,581.33 = 64,097.45 : x
  2. Step 2: Convert to fraction form
    117,812.05/162,581.33 = 64,097.45/x
  3. Step 3: Cross multiply
    117,812.05x = 162,581.33 × 64,097.45
  4. Step 4: Simplify right side
    117,812.05x = 10,421,048,017.95
  5. Step 5: Solve for x
    x = 10,421,048,017.95/117,812.05
  6. Step 6: Final answer
    x = 88,454.86

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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.