Home / 111,733.77-154,192.59-61,432.77

Finding the Fourth Proportional to 111,733.77, 154,192.59 and 61,432.77

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Solution

The fourth proportional to 111,733.77, 154,192.59 and 61,432.77 is: 84,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,733.77 : 154,192.59 = 61,432.77 : x
  2. Step 2: Convert to fraction form
    111,733.77/154,192.59 = 61,432.77/x
  3. Step 3: Cross multiply
    111,733.77x = 154,192.59 × 61,432.77
  4. Step 4: Simplify right side
    111,733.77x = 9,472,477,917.17
  5. Step 5: Solve for x
    x = 9,472,477,917.17/111,733.77
  6. Step 6: Final answer
    x = 84,777.22

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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.