Home / 91,831.39-126,730.49-50,996.20

Finding the Fourth Proportional to 91,831.39, 126,730.49 and 50,996.20

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Solution

The fourth proportional to 91,831.39, 126,730.49 and 50,996.20 is: 70,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,831.39 : 126,730.49 = 50,996.20 : x
  2. Step 2: Convert to fraction form
    91,831.39/126,730.49 = 50,996.20/x
  3. Step 3: Cross multiply
    91,831.39x = 126,730.49 × 50,996.20
  4. Step 4: Simplify right side
    91,831.39x = 6,462,773,508.81
  5. Step 5: Solve for x
    x = 6,462,773,508.81/91,831.39
  6. Step 6: Final answer
    x = 70,376.52

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1.5x scale

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.