Home / 56,788.95-78,369.27-31,296.24

Finding the Fourth Proportional to 56,788.95, 78,369.27 and 31,296.24

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Solution

The fourth proportional to 56,788.95, 78,369.27 and 31,296.24 is: 43,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,788.95 : 78,369.27 = 31,296.24 : x
  2. Step 2: Convert to fraction form
    56,788.95/78,369.27 = 31,296.24/x
  3. Step 3: Cross multiply
    56,788.95x = 78,369.27 × 31,296.24
  4. Step 4: Simplify right side
    56,788.95x = 2,452,663,482.54
  5. Step 5: Solve for x
    x = 2,452,663,482.54/56,788.95
  6. Step 6: Final answer
    x = 43,189.10

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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.