Home / 64,743.11-89,347.99-37,520.13

Finding the Fourth Proportional to 64,743.11, 89,347.99 and 37,520.13

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Solution

The fourth proportional to 64,743.11, 89,347.99 and 37,520.13 is: 51,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,743.11 : 89,347.99 = 37,520.13 : x
  2. Step 2: Convert to fraction form
    64,743.11/89,347.99 = 37,520.13/x
  3. Step 3: Cross multiply
    64,743.11x = 89,347.99 × 37,520.13
  4. Step 4: Simplify right side
    64,743.11x = 3,352,348,106.24
  5. Step 5: Solve for x
    x = 3,352,348,106.24/64,743.11
  6. Step 6: Final answer
    x = 51,779.22

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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.