Home / 105,938.84-146,134.53-63,472.77

Finding the Fourth Proportional to 105,938.84, 146,134.53 and 63,472.77

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Solution

The fourth proportional to 105,938.84, 146,134.53 and 63,472.77 is: 87,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,938.84 : 146,134.53 = 63,472.77 : x
  2. Step 2: Convert to fraction form
    105,938.84/146,134.53 = 63,472.77/x
  3. Step 3: Cross multiply
    105,938.84x = 146,134.53 × 63,472.77
  4. Step 4: Simplify right side
    105,938.84x = 9,275,563,411.75
  5. Step 5: Solve for x
    x = 9,275,563,411.75/105,938.84
  6. Step 6: Final answer
    x = 87,555.84

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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.