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Finding the Fourth Proportional to 64,775.90, 97,219.24 and 25,360.70

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Solution

The fourth proportional to 64,775.90, 97,219.24 and 25,360.70 is: 38,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,775.90 : 97,219.24 = 25,360.70 : x
  2. Step 2: Convert to fraction form
    64,775.90/97,219.24 = 25,360.70/x
  3. Step 3: Cross multiply
    64,775.90x = 97,219.24 × 25,360.70
  4. Step 4: Simplify right side
    64,775.90x = 2,465,547,430.37
  5. Step 5: Solve for x
    x = 2,465,547,430.37/64,775.90
  6. Step 6: Final answer
    x = 38,062.73

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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.