Home / 104,488.18-144,216.64-68,681.52

Finding the Fourth Proportional to 104,488.18, 144,216.64 and 68,681.52

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Solution

The fourth proportional to 104,488.18, 144,216.64 and 68,681.52 is: 94,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,488.18 : 144,216.64 = 68,681.52 : x
  2. Step 2: Convert to fraction form
    104,488.18/144,216.64 = 68,681.52/x
  3. Step 3: Cross multiply
    104,488.18x = 144,216.64 × 68,681.52
  4. Step 4: Simplify right side
    104,488.18x = 9,905,018,044.49
  5. Step 5: Solve for x
    x = 9,905,018,044.49/104,488.18
  6. Step 6: Final answer
    x = 94,795.58

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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.