Home / 97,741.60-146,612.40-45,135.52

Finding the Fourth Proportional to 97,741.60, 146,612.40 and 45,135.52

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Solution

The fourth proportional to 97,741.60, 146,612.40 and 45,135.52 is: 67,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,741.60 : 146,612.40 = 45,135.52 : x
  2. Step 2: Convert to fraction form
    97,741.60/146,612.40 = 45,135.52/x
  3. Step 3: Cross multiply
    97,741.60x = 146,612.40 × 45,135.52
  4. Step 4: Simplify right side
    97,741.60x = 6,617,426,912.45
  5. Step 5: Solve for x
    x = 6,617,426,912.45/97,741.60
  6. Step 6: Final answer
    x = 67,703.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.