Home / 66,831.18-92,269.98-59,648.64

Finding the Fourth Proportional to 66,831.18, 92,269.98 and 59,648.64

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Solution

The fourth proportional to 66,831.18, 92,269.98 and 59,648.64 is: 82,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,831.18 : 92,269.98 = 59,648.64 : x
  2. Step 2: Convert to fraction form
    66,831.18/92,269.98 = 59,648.64/x
  3. Step 3: Cross multiply
    66,831.18x = 92,269.98 × 59,648.64
  4. Step 4: Simplify right side
    66,831.18x = 5,503,778,819.83
  5. Step 5: Solve for x
    x = 5,503,778,819.83/66,831.18
  6. Step 6: Final answer
    x = 82,353.46

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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.