Home / 74,048.34-102,080.41-52,790.70

Finding the Fourth Proportional to 74,048.34, 102,080.41 and 52,790.70

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Solution

The fourth proportional to 74,048.34, 102,080.41 and 52,790.70 is: 72,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048.34 : 102,080.41 = 52,790.70 : x
  2. Step 2: Convert to fraction form
    74,048.34/102,080.41 = 52,790.70/x
  3. Step 3: Cross multiply
    74,048.34x = 102,080.41 × 52,790.70
  4. Step 4: Simplify right side
    74,048.34x = 5,388,896,300.19
  5. Step 5: Solve for x
    x = 5,388,896,300.19/74,048.34
  6. Step 6: Final answer
    x = 72,775.38

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1.5x scale

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.