Home / 65,918.48-98,873.40-28,477.52

Finding the Fourth Proportional to 65,918.48, 98,873.40 and 28,477.52

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Solution

The fourth proportional to 65,918.48, 98,873.40 and 28,477.52 is: 42,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.48 : 98,873.40 = 28,477.52 : x
  2. Step 2: Convert to fraction form
    65,918.48/98,873.40 = 28,477.52/x
  3. Step 3: Cross multiply
    65,918.48x = 98,873.40 × 28,477.52
  4. Step 4: Simplify right side
    65,918.48x = 2,815,669,225.97
  5. Step 5: Solve for x
    x = 2,815,669,225.97/65,918.48
  6. Step 6: Final answer
    x = 42,714.41

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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.