Home / 43,081.16-64,621.83-13,501.58

Finding the Fourth Proportional to 43,081.16, 64,621.83 and 13,501.58

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Solution

The fourth proportional to 43,081.16, 64,621.83 and 13,501.58 is: 20,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081.16 : 64,621.83 = 13,501.58 : x
  2. Step 2: Convert to fraction form
    43,081.16/64,621.83 = 13,501.58/x
  3. Step 3: Cross multiply
    43,081.16x = 64,621.83 × 13,501.58
  4. Step 4: Simplify right side
    43,081.16x = 872,496,484.38
  5. Step 5: Solve for x
    x = 872,496,484.38/43,081.16
  6. Step 6: Final answer
    x = 20,252.39

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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.