Home / 86,054.42-128,894.70-41,587.92

Finding the Fourth Proportional to 86,054.42, 128,894.70 and 41,587.92

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Solution

The fourth proportional to 86,054.42, 128,894.70 and 41,587.92 is: 62,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,054.42 : 128,894.70 = 41,587.92 : x
  2. Step 2: Convert to fraction form
    86,054.42/128,894.70 = 41,587.92/x
  3. Step 3: Cross multiply
    86,054.42x = 128,894.70 × 41,587.92
  4. Step 4: Simplify right side
    86,054.42x = 5,360,462,472.02
  5. Step 5: Solve for x
    x = 5,360,462,472.02/86,054.42
  6. Step 6: Final answer
    x = 62,291.55

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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.