Home / 86,056.42-128,897.70-41,589.92

Finding the Fourth Proportional to 86,056.42, 128,897.70 and 41,589.92

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Solution

The fourth proportional to 86,056.42, 128,897.70 and 41,589.92 is: 62,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056.42 : 128,897.70 = 41,589.92 : x
  2. Step 2: Convert to fraction form
    86,056.42/128,897.70 = 41,589.92/x
  3. Step 3: Cross multiply
    86,056.42x = 128,897.70 × 41,589.92
  4. Step 4: Simplify right side
    86,056.42x = 5,360,845,031.18
  5. Step 5: Solve for x
    x = 5,360,845,031.18/86,056.42
  6. Step 6: Final answer
    x = 62,294.54

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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.