Home / 56,590.08-78,095.36-31,441.92

Finding the Fourth Proportional to 56,590.08, 78,095.36 and 31,441.92

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Solution

The fourth proportional to 56,590.08, 78,095.36 and 31,441.92 is: 43,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,590.08 : 78,095.36 = 31,441.92 : x
  2. Step 2: Convert to fraction form
    56,590.08/78,095.36 = 31,441.92/x
  3. Step 3: Cross multiply
    56,590.08x = 78,095.36 × 31,441.92
  4. Step 4: Simplify right side
    56,590.08x = 2,455,468,061.49
  5. Step 5: Solve for x
    x = 2,455,468,061.49/56,590.08
  6. Step 6: Final answer
    x = 43,390.43

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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.