Home / 111,298.04-153,644.48-63,542.16

Finding the Fourth Proportional to 111,298.04, 153,644.48 and 63,542.16

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Solution

The fourth proportional to 111,298.04, 153,644.48 and 63,542.16 is: 87,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,298.04 : 153,644.48 = 63,542.16 : x
  2. Step 2: Convert to fraction form
    111,298.04/153,644.48 = 63,542.16/x
  3. Step 3: Cross multiply
    111,298.04x = 153,644.48 × 63,542.16
  4. Step 4: Simplify right side
    111,298.04x = 9,762,902,131.28
  5. Step 5: Solve for x
    x = 9,762,902,131.28/111,298.04
  6. Step 6: Final answer
    x = 87,718.55

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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.