Home / 64,345.19-96,478.70-28,799.75

Finding the Fourth Proportional to 64,345.19, 96,478.70 and 28,799.75

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Solution

The fourth proportional to 64,345.19, 96,478.70 and 28,799.75 is: 43,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,345.19 : 96,478.70 = 28,799.75 : x
  2. Step 2: Convert to fraction form
    64,345.19/96,478.70 = 28,799.75/x
  3. Step 3: Cross multiply
    64,345.19x = 96,478.70 × 28,799.75
  4. Step 4: Simplify right side
    64,345.19x = 2,778,562,537.52
  5. Step 5: Solve for x
    x = 2,778,562,537.52/64,345.19
  6. Step 6: Final answer
    x = 43,182.14

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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.