Home / 105,594.10-145,719.85-63,152.63

Finding the Fourth Proportional to 105,594.10, 145,719.85 and 63,152.63

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Solution

The fourth proportional to 105,594.10, 145,719.85 and 63,152.63 is: 87,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,594.10 : 145,719.85 = 63,152.63 : x
  2. Step 2: Convert to fraction form
    105,594.10/145,719.85 = 63,152.63/x
  3. Step 3: Cross multiply
    105,594.10x = 145,719.85 × 63,152.63
  4. Step 4: Simplify right side
    105,594.10x = 9,202,591,770.71
  5. Step 5: Solve for x
    x = 9,202,591,770.71/105,594.10
  6. Step 6: Final answer
    x = 87,150.62

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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.