Home / 102,883.06-154,330.61-39,703.51

Finding the Fourth Proportional to 102,883.06, 154,330.61 and 39,703.51

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Solution

The fourth proportional to 102,883.06, 154,330.61 and 39,703.51 is: 59,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,883.06 : 154,330.61 = 39,703.51 : x
  2. Step 2: Convert to fraction form
    102,883.06/154,330.61 = 39,703.51/x
  3. Step 3: Cross multiply
    102,883.06x = 154,330.61 × 39,703.51
  4. Step 4: Simplify right side
    102,883.06x = 6,127,466,718.92
  5. Step 5: Solve for x
    x = 6,127,466,718.92/102,883.06
  6. Step 6: Final answer
    x = 59,557.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.