Home / 112,927.11-169,094.73-79,466.01

Finding the Fourth Proportional to 112,927.11, 169,094.73 and 79,466.01

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Solution

The fourth proportional to 112,927.11, 169,094.73 and 79,466.01 is: 118,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,927.11 : 169,094.73 = 79,466.01 : x
  2. Step 2: Convert to fraction form
    112,927.11/169,094.73 = 79,466.01/x
  3. Step 3: Cross multiply
    112,927.11x = 169,094.73 × 79,466.01
  4. Step 4: Simplify right side
    112,927.11x = 13,437,283,505.13
  5. Step 5: Solve for x
    x = 13,437,283,505.13/112,927.11
  6. Step 6: Final answer
    x = 118,990.77

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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.