Home / 117,415.10-162,033.14-63,700.11

Finding the Fourth Proportional to 117,415.10, 162,033.14 and 63,700.11

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Solution

The fourth proportional to 117,415.10, 162,033.14 and 63,700.11 is: 87,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,415.10 : 162,033.14 = 63,700.11 : x
  2. Step 2: Convert to fraction form
    117,415.10/162,033.14 = 63,700.11/x
  3. Step 3: Cross multiply
    117,415.10x = 162,033.14 × 63,700.11
  4. Step 4: Simplify right side
    117,415.10x = 10,321,528,841.65
  5. Step 5: Solve for x
    x = 10,321,528,841.65/117,415.10
  6. Step 6: Final answer
    x = 87,906.32

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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.