Home / 91,831.95-126,740.88-51,005.25

Finding the Fourth Proportional to 91,831.95, 126,740.88 and 51,005.25

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Solution

The fourth proportional to 91,831.95, 126,740.88 and 51,005.25 is: 70,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,831.95 : 126,740.88 = 51,005.25 : x
  2. Step 2: Convert to fraction form
    91,831.95/126,740.88 = 51,005.25/x
  3. Step 3: Cross multiply
    91,831.95x = 126,740.88 × 51,005.25
  4. Step 4: Simplify right side
    91,831.95x = 6,464,450,269.62
  5. Step 5: Solve for x
    x = 6,464,450,269.62/91,831.95
  6. Step 6: Final answer
    x = 70,394.35

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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.