Home / 45,740.10-68,610.15-45,302.70

Finding the Fourth Proportional to 45,740.10, 68,610.15 and 45,302.70

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Solution

The fourth proportional to 45,740.10, 68,610.15 and 45,302.70 is: 67,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,740.10 : 68,610.15 = 45,302.70 : x
  2. Step 2: Convert to fraction form
    45,740.10/68,610.15 = 45,302.70/x
  3. Step 3: Cross multiply
    45,740.10x = 68,610.15 × 45,302.70
  4. Step 4: Simplify right side
    45,740.10x = 3,108,225,042.41
  5. Step 5: Solve for x
    x = 3,108,225,042.41/45,740.10
  6. Step 6: Final answer
    x = 67,954.05

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1.5x scale

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.