Home / 81,298.44-112,192.29-45,488.52

Finding the Fourth Proportional to 81,298.44, 112,192.29 and 45,488.52

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Solution

The fourth proportional to 81,298.44, 112,192.29 and 45,488.52 is: 62,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,298.44 : 112,192.29 = 45,488.52 : x
  2. Step 2: Convert to fraction form
    81,298.44/112,192.29 = 45,488.52/x
  3. Step 3: Cross multiply
    81,298.44x = 112,192.29 × 45,488.52
  4. Step 4: Simplify right side
    81,298.44x = 5,103,461,227.51
  5. Step 5: Solve for x
    x = 5,103,461,227.51/81,298.44
  6. Step 6: Final answer
    x = 62,774.41

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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.