Home / 84,777.24-117,008.73-56,097.47

Finding the Fourth Proportional to 84,777.24, 117,008.73 and 56,097.47

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Solution

The fourth proportional to 84,777.24, 117,008.73 and 56,097.47 is: 77,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,777.24 : 117,008.73 = 56,097.47 : x
  2. Step 2: Convert to fraction form
    84,777.24/117,008.73 = 56,097.47/x
  3. Step 3: Cross multiply
    84,777.24x = 117,008.73 × 56,097.47
  4. Step 4: Simplify right side
    84,777.24x = 6,563,893,720.91
  5. Step 5: Solve for x
    x = 6,563,893,720.91/84,777.24
  6. Step 6: Final answer
    x = 77,425.19

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1.5x scale

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.