Home / 74,114.08-102,367.20-53,938.96

Finding the Fourth Proportional to 74,114.08, 102,367.20 and 53,938.96

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Solution

The fourth proportional to 74,114.08, 102,367.20 and 53,938.96 is: 74,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,114.08 : 102,367.20 = 53,938.96 : x
  2. Step 2: Convert to fraction form
    74,114.08/102,367.20 = 53,938.96/x
  3. Step 3: Cross multiply
    74,114.08x = 102,367.20 × 53,938.96
  4. Step 4: Simplify right side
    74,114.08x = 5,521,580,306.11
  5. Step 5: Solve for x
    x = 5,521,580,306.11/74,114.08
  6. Step 6: Final answer
    x = 74,501.10

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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.