Home / 64,525.93-89,078.15-40,340.33

Finding the Fourth Proportional to 64,525.93, 89,078.15 and 40,340.33

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Solution

The fourth proportional to 64,525.93, 89,078.15 and 40,340.33 is: 55,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,525.93 : 89,078.15 = 40,340.33 : x
  2. Step 2: Convert to fraction form
    64,525.93/89,078.15 = 40,340.33/x
  3. Step 3: Cross multiply
    64,525.93x = 89,078.15 × 40,340.33
  4. Step 4: Simplify right side
    64,525.93x = 3,593,441,521.40
  5. Step 5: Solve for x
    x = 3,593,441,521.40/64,525.93
  6. Step 6: Final answer
    x = 55,689.89

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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.