Home / 64,831.16-89,475.36-36,545.96

Finding the Fourth Proportional to 64,831.16, 89,475.36 and 36,545.96

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Solution

The fourth proportional to 64,831.16, 89,475.36 and 36,545.96 is: 50,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,831.16 : 89,475.36 = 36,545.96 : x
  2. Step 2: Convert to fraction form
    64,831.16/89,475.36 = 36,545.96/x
  3. Step 3: Cross multiply
    64,831.16x = 89,475.36 × 36,545.96
  4. Step 4: Simplify right side
    64,831.16x = 3,269,962,927.55
  5. Step 5: Solve for x
    x = 3,269,962,927.55/64,831.16
  6. Step 6: Final answer
    x = 50,438.14

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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.