Home / 111,534.89-153,918.21-60,547.61

Finding the Fourth Proportional to 111,534.89, 153,918.21 and 60,547.61

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Solution

The fourth proportional to 111,534.89, 153,918.21 and 60,547.61 is: 83,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,534.89 : 153,918.21 = 60,547.61 : x
  2. Step 2: Convert to fraction form
    111,534.89/153,918.21 = 60,547.61/x
  3. Step 3: Cross multiply
    111,534.89x = 153,918.21 × 60,547.61
  4. Step 4: Simplify right side
    111,534.89x = 9,319,378,981.39
  5. Step 5: Solve for x
    x = 9,319,378,981.39/111,534.89
  6. Step 6: Final answer
    x = 83,555.73

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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.