Home / 111,271.04-153,568.32-63,513.44

Finding the Fourth Proportional to 111,271.04, 153,568.32 and 63,513.44

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Solution

The fourth proportional to 111,271.04, 153,568.32 and 63,513.44 is: 87,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,271.04 : 153,568.32 = 63,513.44 : x
  2. Step 2: Convert to fraction form
    111,271.04/153,568.32 = 63,513.44/x
  3. Step 3: Cross multiply
    111,271.04x = 153,568.32 × 63,513.44
  4. Step 4: Simplify right side
    111,271.04x = 9,753,652,278.22
  5. Step 5: Solve for x
    x = 9,753,652,278.22/111,271.04
  6. Step 6: Final answer
    x = 87,656.70

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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.