Home / 124,055.30-186,079.50-39,814.79

Finding the Fourth Proportional to 124,055.30, 186,079.50 and 39,814.79

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Solution

The fourth proportional to 124,055.30, 186,079.50 and 39,814.79 is: 59,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,055.30 : 186,079.50 = 39,814.79 : x
  2. Step 2: Convert to fraction form
    124,055.30/186,079.50 = 39,814.79/x
  3. Step 3: Cross multiply
    124,055.30x = 186,079.50 × 39,814.79
  4. Step 4: Simplify right side
    124,055.30x = 7,408,716,215.81
  5. Step 5: Solve for x
    x = 7,408,716,215.81/124,055.30
  6. Step 6: Final answer
    x = 59,721.08

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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.