Home / 74,191.48-102,382.11-43,564.10

Finding the Fourth Proportional to 74,191.48, 102,382.11 and 43,564.10

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Solution

The fourth proportional to 74,191.48, 102,382.11 and 43,564.10 is: 60,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,191.48 : 102,382.11 = 43,564.10 : x
  2. Step 2: Convert to fraction form
    74,191.48/102,382.11 = 43,564.10/x
  3. Step 3: Cross multiply
    74,191.48x = 102,382.11 × 43,564.10
  4. Step 4: Simplify right side
    74,191.48x = 4,460,183,966.34
  5. Step 5: Solve for x
    x = 4,460,183,966.34/74,191.48
  6. Step 6: Final answer
    x = 60,117.20

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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.