Home / 65,964.56-90,999.48-43,294.40

Finding the Fourth Proportional to 65,964.56, 90,999.48 and 43,294.40

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Solution

The fourth proportional to 65,964.56, 90,999.48 and 43,294.40 is: 59,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,964.56 : 90,999.48 = 43,294.40 : x
  2. Step 2: Convert to fraction form
    65,964.56/90,999.48 = 43,294.40/x
  3. Step 3: Cross multiply
    65,964.56x = 90,999.48 × 43,294.40
  4. Step 4: Simplify right side
    65,964.56x = 3,939,767,886.91
  5. Step 5: Solve for x
    x = 3,939,767,886.91/65,964.56
  6. Step 6: Final answer
    x = 59,725.52

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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.