Home / 91,005.09-125,550-60,392.59

Finding the Fourth Proportional to 91,005.09, 125,550 and 60,392.59

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Solution

The fourth proportional to 91,005.09, 125,550 and 60,392.59 is: 83,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,005.09 : 125,550 = 60,392.59 : x
  2. Step 2: Convert to fraction form
    91,005.09/125,550 = 60,392.59/x
  3. Step 3: Cross multiply
    91,005.09x = 125,550 × 60,392.59
  4. Step 4: Simplify right side
    91,005.09x = 7,582,289,360.63
  5. Step 5: Solve for x
    x = 7,582,289,360.63/91,005.09
  6. Step 6: Final answer
    x = 83,317.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.