Home / 64,020.48-88,347.60-35,340.36

Finding the Fourth Proportional to 64,020.48, 88,347.60 and 35,340.36

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Solution

The fourth proportional to 64,020.48, 88,347.60 and 35,340.36 is: 48,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,020.48 : 88,347.60 = 35,340.36 : x
  2. Step 2: Convert to fraction form
    64,020.48/88,347.60 = 35,340.36/x
  3. Step 3: Cross multiply
    64,020.48x = 88,347.60 × 35,340.36
  4. Step 4: Simplify right side
    64,020.48x = 3,122,235,989.14
  5. Step 5: Solve for x
    x = 3,122,235,989.14/64,020.48
  6. Step 6: Final answer
    x = 48,769.33

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1.5x scale

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.