Home / 64,939.10-97,360.05-35,390.30

Finding the Fourth Proportional to 64,939.10, 97,360.05 and 35,390.30

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Solution

The fourth proportional to 64,939.10, 97,360.05 and 35,390.30 is: 53,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,939.10 : 97,360.05 = 35,390.30 : x
  2. Step 2: Convert to fraction form
    64,939.10/97,360.05 = 35,390.30/x
  3. Step 3: Cross multiply
    64,939.10x = 97,360.05 × 35,390.30
  4. Step 4: Simplify right side
    64,939.10x = 3,445,601,377.52
  5. Step 5: Solve for x
    x = 3,445,601,377.52/64,939.10
  6. Step 6: Final answer
    x = 53,058.96

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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.