Home / 117,812.49-162,582.84-64,098.15

Finding the Fourth Proportional to 117,812.49, 162,582.84 and 64,098.15

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Solution

The fourth proportional to 117,812.49, 162,582.84 and 64,098.15 is: 88,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,812.49 : 162,582.84 = 64,098.15 : x
  2. Step 2: Convert to fraction form
    117,812.49/162,582.84 = 64,098.15/x
  3. Step 3: Cross multiply
    117,812.49x = 162,582.84 × 64,098.15
  4. Step 4: Simplify right side
    117,812.49x = 10,421,259,265.75
  5. Step 5: Solve for x
    x = 10,421,259,265.75/117,812.49
  6. Step 6: Final answer
    x = 88,456.32

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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.