Home / 77,649.02-116,476.13-21,484.43

Finding the Fourth Proportional to 77,649.02, 116,476.13 and 21,484.43

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Solution

The fourth proportional to 77,649.02, 116,476.13 and 21,484.43 is: 32,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,649.02 : 116,476.13 = 21,484.43 : x
  2. Step 2: Convert to fraction form
    77,649.02/116,476.13 = 21,484.43/x
  3. Step 3: Cross multiply
    77,649.02x = 116,476.13 × 21,484.43
  4. Step 4: Simplify right side
    77,649.02x = 2,502,423,261.66
  5. Step 5: Solve for x
    x = 2,502,423,261.66/77,649.02
  6. Step 6: Final answer
    x = 32,227.36

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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.