Home / 50,108.19-69,155.14-28,888.22

Finding the Fourth Proportional to 50,108.19, 69,155.14 and 28,888.22

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Solution

The fourth proportional to 50,108.19, 69,155.14 and 28,888.22 is: 39,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,108.19 : 69,155.14 = 28,888.22 : x
  2. Step 2: Convert to fraction form
    50,108.19/69,155.14 = 28,888.22/x
  3. Step 3: Cross multiply
    50,108.19x = 69,155.14 × 28,888.22
  4. Step 4: Simplify right side
    50,108.19x = 1,997,768,848.12
  5. Step 5: Solve for x
    x = 1,997,768,848.12/50,108.19
  6. Step 6: Final answer
    x = 39,869.11

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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.