Home / 40,903.10-61,354.65-36,310.40

Finding the Fourth Proportional to 40,903.10, 61,354.65 and 36,310.40

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Solution

The fourth proportional to 40,903.10, 61,354.65 and 36,310.40 is: 54,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,903.10 : 61,354.65 = 36,310.40 : x
  2. Step 2: Convert to fraction form
    40,903.10/61,354.65 = 36,310.40/x
  3. Step 3: Cross multiply
    40,903.10x = 61,354.65 × 36,310.40
  4. Step 4: Simplify right side
    40,903.10x = 2,227,811,883.36
  5. Step 5: Solve for x
    x = 2,227,811,883.36/40,903.10
  6. Step 6: Final answer
    x = 54,465.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.