Home / 50,269.02-69,368.52-28,759.20

Finding the Fourth Proportional to 50,269.02, 69,368.52 and 28,759.20

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Solution

The fourth proportional to 50,269.02, 69,368.52 and 28,759.20 is: 39,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,269.02 : 69,368.52 = 28,759.20 : x
  2. Step 2: Convert to fraction form
    50,269.02/69,368.52 = 28,759.20/x
  3. Step 3: Cross multiply
    50,269.02x = 69,368.52 × 28,759.20
  4. Step 4: Simplify right side
    50,269.02x = 1,994,983,140.38
  5. Step 5: Solve for x
    x = 1,994,983,140.38/50,269.02
  6. Step 6: Final answer
    x = 39,686.14

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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.