Home / 86,964.03-130,430.34-39,567.96

Finding the Fourth Proportional to 86,964.03, 130,430.34 and 39,567.96

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Solution

The fourth proportional to 86,964.03, 130,430.34 and 39,567.96 is: 59,344.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,964.03 : 130,430.34 = 39,567.96 : x
  2. Step 2: Convert to fraction form
    86,964.03/130,430.34 = 39,567.96/x
  3. Step 3: Cross multiply
    86,964.03x = 130,430.34 × 39,567.96
  4. Step 4: Simplify right side
    86,964.03x = 5,160,862,475.91
  5. Step 5: Solve for x
    x = 5,160,862,475.91/86,964.03
  6. Step 6: Final answer
    x = 59,344.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.