Home / 74,903.04-112,354.20-19,499.04

Finding the Fourth Proportional to 74,903.04, 112,354.20 and 19,499.04

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Solution

The fourth proportional to 74,903.04, 112,354.20 and 19,499.04 is: 29,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,903.04 : 112,354.20 = 19,499.04 : x
  2. Step 2: Convert to fraction form
    74,903.04/112,354.20 = 19,499.04/x
  3. Step 3: Cross multiply
    74,903.04x = 112,354.20 × 19,499.04
  4. Step 4: Simplify right side
    74,903.04x = 2,190,799,039.97
  5. Step 5: Solve for x
    x = 2,190,799,039.97/74,903.04
  6. Step 6: Final answer
    x = 29,248.47

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1.5x scale

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.