Home / 64,549.10-89,108.10-43,074.59

Finding the Fourth Proportional to 64,549.10, 89,108.10 and 43,074.59

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Solution

The fourth proportional to 64,549.10, 89,108.10 and 43,074.59 is: 59,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,549.10 : 89,108.10 = 43,074.59 : x
  2. Step 2: Convert to fraction form
    64,549.10/89,108.10 = 43,074.59/x
  3. Step 3: Cross multiply
    64,549.10x = 89,108.10 × 43,074.59
  4. Step 4: Simplify right side
    64,549.10x = 3,838,294,427.64
  5. Step 5: Solve for x
    x = 3,838,294,427.64/64,549.10
  6. Step 6: Final answer
    x = 59,463.17

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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.