Home / 105,981.16-146,253.58-60,658.96

Finding the Fourth Proportional to 105,981.16, 146,253.58 and 60,658.96

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Solution

The fourth proportional to 105,981.16, 146,253.58 and 60,658.96 is: 83,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,981.16 : 146,253.58 = 60,658.96 : x
  2. Step 2: Convert to fraction form
    105,981.16/146,253.58 = 60,658.96/x
  3. Step 3: Cross multiply
    105,981.16x = 146,253.58 × 60,658.96
  4. Step 4: Simplify right side
    105,981.16x = 8,871,590,059.08
  5. Step 5: Solve for x
    x = 8,871,590,059.08/105,981.16
  6. Step 6: Final answer
    x = 83,709.12

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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.