Home / 64,542.58-89,043.87-47,587.15

Finding the Fourth Proportional to 64,542.58, 89,043.87 and 47,587.15

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Solution

The fourth proportional to 64,542.58, 89,043.87 and 47,587.15 is: 65,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,542.58 : 89,043.87 = 47,587.15 : x
  2. Step 2: Convert to fraction form
    64,542.58/89,043.87 = 47,587.15/x
  3. Step 3: Cross multiply
    64,542.58x = 89,043.87 × 47,587.15
  4. Step 4: Simplify right side
    64,542.58x = 4,237,343,998.27
  5. Step 5: Solve for x
    x = 4,237,343,998.27/64,542.58
  6. Step 6: Final answer
    x = 65,651.92

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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.