Home / 86,688.66-130,051.17-49,266.06

Finding the Fourth Proportional to 86,688.66, 130,051.17 and 49,266.06

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Solution

The fourth proportional to 86,688.66, 130,051.17 and 49,266.06 is: 73,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,688.66 : 130,051.17 = 49,266.06 : x
  2. Step 2: Convert to fraction form
    86,688.66/130,051.17 = 49,266.06/x
  3. Step 3: Cross multiply
    86,688.66x = 130,051.17 × 49,266.06
  4. Step 4: Simplify right side
    86,688.66x = 6,407,108,744.29
  5. Step 5: Solve for x
    x = 6,407,108,744.29/86,688.66
  6. Step 6: Final answer
    x = 73,909.42

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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.