Home / 43,243.48-64,722.30-39,357.64

Finding the Fourth Proportional to 43,243.48, 64,722.30 and 39,357.64

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Solution

The fourth proportional to 43,243.48, 64,722.30 and 39,357.64 is: 58,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,243.48 : 64,722.30 = 39,357.64 : x
  2. Step 2: Convert to fraction form
    43,243.48/64,722.30 = 39,357.64/x
  3. Step 3: Cross multiply
    43,243.48x = 64,722.30 × 39,357.64
  4. Step 4: Simplify right side
    43,243.48x = 2,547,316,983.37
  5. Step 5: Solve for x
    x = 2,547,316,983.37/43,243.48
  6. Step 6: Final answer
    x = 58,906.38

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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.