Home / 52,228.90-72,077.45-28,357.19

Finding the Fourth Proportional to 52,228.90, 72,077.45 and 28,357.19

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Solution

The fourth proportional to 52,228.90, 72,077.45 and 28,357.19 is: 39,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,228.90 : 72,077.45 = 28,357.19 : x
  2. Step 2: Convert to fraction form
    52,228.90/72,077.45 = 28,357.19/x
  3. Step 3: Cross multiply
    52,228.90x = 72,077.45 × 28,357.19
  4. Step 4: Simplify right side
    52,228.90x = 2,043,913,712.48
  5. Step 5: Solve for x
    x = 2,043,913,712.48/52,228.90
  6. Step 6: Final answer
    x = 39,133.77

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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.