Home / 56,746.78-78,390.08-53,757.42

Finding the Fourth Proportional to 56,746.78, 78,390.08 and 53,757.42

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Solution

The fourth proportional to 56,746.78, 78,390.08 and 53,757.42 is: 74,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,746.78 : 78,390.08 = 53,757.42 : x
  2. Step 2: Convert to fraction form
    56,746.78/78,390.08 = 53,757.42/x
  3. Step 3: Cross multiply
    56,746.78x = 78,390.08 × 53,757.42
  4. Step 4: Simplify right side
    56,746.78x = 4,214,048,534.18
  5. Step 5: Solve for x
    x = 4,214,048,534.18/56,746.78
  6. Step 6: Final answer
    x = 74,260.58

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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.