Home / 74,302.24-102,532.08-40,770.40

Finding the Fourth Proportional to 74,302.24, 102,532.08 and 40,770.40

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Solution

The fourth proportional to 74,302.24, 102,532.08 and 40,770.40 is: 56,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,302.24 : 102,532.08 = 40,770.40 : x
  2. Step 2: Convert to fraction form
    74,302.24/102,532.08 = 40,770.40/x
  3. Step 3: Cross multiply
    74,302.24x = 102,532.08 × 40,770.40
  4. Step 4: Simplify right side
    74,302.24x = 4,180,273,914.43
  5. Step 5: Solve for x
    x = 4,180,273,914.43/74,302.24
  6. Step 6: Final answer
    x = 56,260.40

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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.