Home / 92,920.77-139,036.70-55,501.20

Finding the Fourth Proportional to 92,920.77, 139,036.70 and 55,501.20

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Solution

The fourth proportional to 92,920.77, 139,036.70 and 55,501.20 is: 83,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,920.77 : 139,036.70 = 55,501.20 : x
  2. Step 2: Convert to fraction form
    92,920.77/139,036.70 = 55,501.20/x
  3. Step 3: Cross multiply
    92,920.77x = 139,036.70 × 55,501.20
  4. Step 4: Simplify right side
    92,920.77x = 7,716,703,832.79
  5. Step 5: Solve for x
    x = 7,716,703,832.79/92,920.77
  6. Step 6: Final answer
    x = 83,046.06

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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.