Home / 49,903.15-74,909.40-31,204.30

Finding the Fourth Proportional to 49,903.15, 74,909.40 and 31,204.30

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Solution

The fourth proportional to 49,903.15, 74,909.40 and 31,204.30 is: 46,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,903.15 : 74,909.40 = 31,204.30 : x
  2. Step 2: Convert to fraction form
    49,903.15/74,909.40 = 31,204.30/x
  3. Step 3: Cross multiply
    49,903.15x = 74,909.40 × 31,204.30
  4. Step 4: Simplify right side
    49,903.15x = 2,337,495,390.42
  5. Step 5: Solve for x
    x = 2,337,495,390.42/49,903.15
  6. Step 6: Final answer
    x = 46,840.64

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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.