Home / 86,681.13-130,056.18-33,358.79

Finding the Fourth Proportional to 86,681.13, 130,056.18 and 33,358.79

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Solution

The fourth proportional to 86,681.13, 130,056.18 and 33,358.79 is: 50,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,681.13 : 130,056.18 = 33,358.79 : x
  2. Step 2: Convert to fraction form
    86,681.13/130,056.18 = 33,358.79/x
  3. Step 3: Cross multiply
    86,681.13x = 130,056.18 × 33,358.79
  4. Step 4: Simplify right side
    86,681.13x = 4,338,516,796.82
  5. Step 5: Solve for x
    x = 4,338,516,796.82/86,681.13
  6. Step 6: Final answer
    x = 50,051.46

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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.