Home / 74,270.42-111,417.93-36,831.71

Finding the Fourth Proportional to 74,270.42, 111,417.93 and 36,831.71

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Solution

The fourth proportional to 74,270.42, 111,417.93 and 36,831.71 is: 55,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,270.42 : 111,417.93 = 36,831.71 : x
  2. Step 2: Convert to fraction form
    74,270.42/111,417.93 = 36,831.71/x
  3. Step 3: Cross multiply
    74,270.42x = 111,417.93 × 36,831.71
  4. Step 4: Simplify right side
    74,270.42x = 4,103,713,165.11
  5. Step 5: Solve for x
    x = 4,103,713,165.11/74,270.42
  6. Step 6: Final answer
    x = 55,253.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.