Home / 56,582.74-78,054.89-38,434.39

Finding the Fourth Proportional to 56,582.74, 78,054.89 and 38,434.39

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Solution

The fourth proportional to 56,582.74, 78,054.89 and 38,434.39 is: 53,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,582.74 : 78,054.89 = 38,434.39 : x
  2. Step 2: Convert to fraction form
    56,582.74/78,054.89 = 38,434.39/x
  3. Step 3: Cross multiply
    56,582.74x = 78,054.89 × 38,434.39
  4. Step 4: Simplify right side
    56,582.74x = 2,999,992,083.67
  5. Step 5: Solve for x
    x = 2,999,992,083.67/56,582.74
  6. Step 6: Final answer
    x = 53,019.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.