Home / 111,463.24-153,814.02-61,161.16

Finding the Fourth Proportional to 111,463.24, 153,814.02 and 61,161.16

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Solution

The fourth proportional to 111,463.24, 153,814.02 and 61,161.16 is: 84,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,463.24 : 153,814.02 = 61,161.16 : x
  2. Step 2: Convert to fraction form
    111,463.24/153,814.02 = 61,161.16/x
  3. Step 3: Cross multiply
    111,463.24x = 153,814.02 × 61,161.16
  4. Step 4: Simplify right side
    111,463.24x = 9,407,443,887.46
  5. Step 5: Solve for x
    x = 9,407,443,887.46/111,463.24
  6. Step 6: Final answer
    x = 84,399.52

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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.