Home / 64,901.70-97,345.35-18,159.30

Finding the Fourth Proportional to 64,901.70, 97,345.35 and 18,159.30

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Solution

The fourth proportional to 64,901.70, 97,345.35 and 18,159.30 is: 27,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.70 : 97,345.35 = 18,159.30 : x
  2. Step 2: Convert to fraction form
    64,901.70/97,345.35 = 18,159.30/x
  3. Step 3: Cross multiply
    64,901.70x = 97,345.35 × 18,159.30
  4. Step 4: Simplify right side
    64,901.70x = 1,767,723,414.26
  5. Step 5: Solve for x
    x = 1,767,723,414.26/64,901.70
  6. Step 6: Final answer
    x = 27,236.94

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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.