Home / 86,707.04-130,040.96-51,656.64

Finding the Fourth Proportional to 86,707.04, 130,040.96 and 51,656.64

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Solution

The fourth proportional to 86,707.04, 130,040.96 and 51,656.64 is: 77,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,707.04 : 130,040.96 = 51,656.64 : x
  2. Step 2: Convert to fraction form
    86,707.04/130,040.96 = 51,656.64/x
  3. Step 3: Cross multiply
    86,707.04x = 130,040.96 × 51,656.64
  4. Step 4: Simplify right side
    86,707.04x = 6,717,479,055.97
  5. Step 5: Solve for x
    x = 6,717,479,055.97/86,707.04
  6. Step 6: Final answer
    x = 77,473.28

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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.