Home / 64,605.08-89,162.40-35,927.60

Finding the Fourth Proportional to 64,605.08, 89,162.40 and 35,927.60

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Solution

The fourth proportional to 64,605.08, 89,162.40 and 35,927.60 is: 49,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,605.08 : 89,162.40 = 35,927.60 : x
  2. Step 2: Convert to fraction form
    64,605.08/89,162.40 = 35,927.60/x
  3. Step 3: Cross multiply
    64,605.08x = 89,162.40 × 35,927.60
  4. Step 4: Simplify right side
    64,605.08x = 3,203,391,042.24
  5. Step 5: Solve for x
    x = 3,203,391,042.24/64,605.08
  6. Step 6: Final answer
    x = 49,584.20

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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.