Home / 47,109.08-70,663.71-11,570.42

Finding the Fourth Proportional to 47,109.08, 70,663.71 and 11,570.42

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Solution

The fourth proportional to 47,109.08, 70,663.71 and 11,570.42 is: 17,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,109.08 : 70,663.71 = 11,570.42 : x
  2. Step 2: Convert to fraction form
    47,109.08/70,663.71 = 11,570.42/x
  3. Step 3: Cross multiply
    47,109.08x = 70,663.71 × 11,570.42
  4. Step 4: Simplify right side
    47,109.08x = 817,608,803.46
  5. Step 5: Solve for x
    x = 817,608,803.46/47,109.08
  6. Step 6: Final answer
    x = 17,355.65

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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.