Home / 91,719.64-126,599.98-59,893.48

Finding the Fourth Proportional to 91,719.64, 126,599.98 and 59,893.48

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Solution

The fourth proportional to 91,719.64, 126,599.98 and 59,893.48 is: 82,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,719.64 : 126,599.98 = 59,893.48 : x
  2. Step 2: Convert to fraction form
    91,719.64/126,599.98 = 59,893.48/x
  3. Step 3: Cross multiply
    91,719.64x = 126,599.98 × 59,893.48
  4. Step 4: Simplify right side
    91,719.64x = 7,582,513,370.13
  5. Step 5: Solve for x
    x = 7,582,513,370.13/91,719.64
  6. Step 6: Final answer
    x = 82,670.55

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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.