Home / 124,085.13-185,891.71-70,814.13

Finding the Fourth Proportional to 124,085.13, 185,891.71 and 70,814.13

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Solution

The fourth proportional to 124,085.13, 185,891.71 and 70,814.13 is: 106,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,085.13 : 185,891.71 = 70,814.13 : x
  2. Step 2: Convert to fraction form
    124,085.13/185,891.71 = 70,814.13/x
  3. Step 3: Cross multiply
    124,085.13x = 185,891.71 × 70,814.13
  4. Step 4: Simplify right side
    124,085.13x = 13,163,759,717.86
  5. Step 5: Solve for x
    x = 13,163,759,717.86/124,085.13
  6. Step 6: Final answer
    x = 106,086.52

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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.