Home / 111,364.86-153,681.62-62,966

Finding the Fourth Proportional to 111,364.86, 153,681.62 and 62,966

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Solution

The fourth proportional to 111,364.86, 153,681.62 and 62,966 is: 86,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,364.86 : 153,681.62 = 62,966 : x
  2. Step 2: Convert to fraction form
    111,364.86/153,681.62 = 62,966/x
  3. Step 3: Cross multiply
    111,364.86x = 153,681.62 × 62,966
  4. Step 4: Simplify right side
    111,364.86x = 9,676,716,884.92
  5. Step 5: Solve for x
    x = 9,676,716,884.92/111,364.86
  6. Step 6: Final answer
    x = 86,892.01

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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.