Home / 53,460.48-80,271.66-42,456.36

Finding the Fourth Proportional to 53,460.48, 80,271.66 and 42,456.36

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Solution

The fourth proportional to 53,460.48, 80,271.66 and 42,456.36 is: 63,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,460.48 : 80,271.66 = 42,456.36 : x
  2. Step 2: Convert to fraction form
    53,460.48/80,271.66 = 42,456.36/x
  3. Step 3: Cross multiply
    53,460.48x = 80,271.66 × 42,456.36
  4. Step 4: Simplify right side
    53,460.48x = 3,408,042,494.76
  5. Step 5: Solve for x
    x = 3,408,042,494.76/53,460.48
  6. Step 6: Final answer
    x = 63,748.82

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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.