Home / 113,953.80-170,598.50-66,423.48

Finding the Fourth Proportional to 113,953.80, 170,598.50 and 66,423.48

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Solution

The fourth proportional to 113,953.80, 170,598.50 and 66,423.48 is: 99,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,953.80 : 170,598.50 = 66,423.48 : x
  2. Step 2: Convert to fraction form
    113,953.80/170,598.50 = 66,423.48/x
  3. Step 3: Cross multiply
    113,953.80x = 170,598.50 × 66,423.48
  4. Step 4: Simplify right side
    113,953.80x = 11,331,746,052.78
  5. Step 5: Solve for x
    x = 11,331,746,052.78/113,953.80
  6. Step 6: Final answer
    x = 99,441.58

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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.