Home / 74,153.10-102,340.27-41,889.08

Finding the Fourth Proportional to 74,153.10, 102,340.27 and 41,889.08

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Solution

The fourth proportional to 74,153.10, 102,340.27 and 41,889.08 is: 57,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,153.10 : 102,340.27 = 41,889.08 : x
  2. Step 2: Convert to fraction form
    74,153.10/102,340.27 = 41,889.08/x
  3. Step 3: Cross multiply
    74,153.10x = 102,340.27 × 41,889.08
  4. Step 4: Simplify right side
    74,153.10x = 4,286,940,065.46
  5. Step 5: Solve for x
    x = 4,286,940,065.46/74,153.10
  6. Step 6: Final answer
    x = 57,812.01

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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.