Home / 124,051.30-186,073.50-39,810.79

Finding the Fourth Proportional to 124,051.30, 186,073.50 and 39,810.79

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Solution

The fourth proportional to 124,051.30, 186,073.50 and 39,810.79 is: 59,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,051.30 : 186,073.50 = 39,810.79 : x
  2. Step 2: Convert to fraction form
    124,051.30/186,073.50 = 39,810.79/x
  3. Step 3: Cross multiply
    124,051.30x = 186,073.50 × 39,810.79
  4. Step 4: Simplify right side
    124,051.30x = 7,407,733,414.95
  5. Step 5: Solve for x
    x = 7,407,733,414.95/124,051.30
  6. Step 6: Final answer
    x = 59,715.08

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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.