Home / 64,801.20-97,201.80-25,386.48

Finding the Fourth Proportional to 64,801.20, 97,201.80 and 25,386.48

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Solution

The fourth proportional to 64,801.20, 97,201.80 and 25,386.48 is: 38,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,801.20 : 97,201.80 = 25,386.48 : x
  2. Step 2: Convert to fraction form
    64,801.20/97,201.80 = 25,386.48/x
  3. Step 3: Cross multiply
    64,801.20x = 97,201.80 × 25,386.48
  4. Step 4: Simplify right side
    64,801.20x = 2,467,611,551.66
  5. Step 5: Solve for x
    x = 2,467,611,551.66/64,801.20
  6. Step 6: Final answer
    x = 38,079.72

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1.5x scale

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.