Home / 84,991.48-117,165.29-56,263.01

Finding the Fourth Proportional to 84,991.48, 117,165.29 and 56,263.01

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Solution

The fourth proportional to 84,991.48, 117,165.29 and 56,263.01 is: 77,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,991.48 : 117,165.29 = 56,263.01 : x
  2. Step 2: Convert to fraction form
    84,991.48/117,165.29 = 56,263.01/x
  3. Step 3: Cross multiply
    84,991.48x = 117,165.29 × 56,263.01
  4. Step 4: Simplify right side
    84,991.48x = 6,592,071,015.78
  5. Step 5: Solve for x
    x = 6,592,071,015.78/84,991.48
  6. Step 6: Final answer
    x = 77,561.55

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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.