Home / 64,929.12-89,603.31-38,090.94

Finding the Fourth Proportional to 64,929.12, 89,603.31 and 38,090.94

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Solution

The fourth proportional to 64,929.12, 89,603.31 and 38,090.94 is: 52,566.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,929.12 : 89,603.31 = 38,090.94 : x
  2. Step 2: Convert to fraction form
    64,929.12/89,603.31 = 38,090.94/x
  3. Step 3: Cross multiply
    64,929.12x = 89,603.31 × 38,090.94
  4. Step 4: Simplify right side
    64,929.12x = 3,413,074,305.01
  5. Step 5: Solve for x
    x = 3,413,074,305.01/64,929.12
  6. Step 6: Final answer
    x = 52,566.16

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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.