Home / 84,786.48-117,009.36-47,061

Finding the Fourth Proportional to 84,786.48, 117,009.36 and 47,061

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Solution

The fourth proportional to 84,786.48, 117,009.36 and 47,061 is: 64,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,786.48 : 117,009.36 = 47,061 : x
  2. Step 2: Convert to fraction form
    84,786.48/117,009.36 = 47,061/x
  3. Step 3: Cross multiply
    84,786.48x = 117,009.36 × 47,061
  4. Step 4: Simplify right side
    84,786.48x = 5,506,577,490.96
  5. Step 5: Solve for x
    x = 5,506,577,490.96/84,786.48
  6. Step 6: Final answer
    x = 64,946.41

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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.