Home / 105,483.84-145,569.60-60,167.04

Finding the Fourth Proportional to 105,483.84, 145,569.60 and 60,167.04

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Solution

The fourth proportional to 105,483.84, 145,569.60 and 60,167.04 is: 83,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,483.84 : 145,569.60 = 60,167.04 : x
  2. Step 2: Convert to fraction form
    105,483.84/145,569.60 = 60,167.04/x
  3. Step 3: Cross multiply
    105,483.84x = 145,569.60 × 60,167.04
  4. Step 4: Simplify right side
    105,483.84x = 8,758,491,945.98
  5. Step 5: Solve for x
    x = 8,758,491,945.98/105,483.84
  6. Step 6: Final answer
    x = 83,031.60

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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.