Home / 111,281.24-153,563.10-60,979.16

Finding the Fourth Proportional to 111,281.24, 153,563.10 and 60,979.16

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Solution

The fourth proportional to 111,281.24, 153,563.10 and 60,979.16 is: 84,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,281.24 : 153,563.10 = 60,979.16 : x
  2. Step 2: Convert to fraction form
    111,281.24/153,563.10 = 60,979.16/x
  3. Step 3: Cross multiply
    111,281.24x = 153,563.10 × 60,979.16
  4. Step 4: Simplify right side
    111,281.24x = 9,364,148,845.00
  5. Step 5: Solve for x
    x = 9,364,148,845.00/111,281.24
  6. Step 6: Final answer
    x = 84,148.49

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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.