Home / 52,777.52-72,833.80-28,903.76

Finding the Fourth Proportional to 52,777.52, 72,833.80 and 28,903.76

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Solution

The fourth proportional to 52,777.52, 72,833.80 and 28,903.76 is: 39,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.52 : 72,833.80 = 28,903.76 : x
  2. Step 2: Convert to fraction form
    52,777.52/72,833.80 = 28,903.76/x
  3. Step 3: Cross multiply
    52,777.52x = 72,833.80 × 28,903.76
  4. Step 4: Simplify right side
    52,777.52x = 2,105,170,675.09
  5. Step 5: Solve for x
    x = 2,105,170,675.09/52,777.52
  6. Step 6: Final answer
    x = 39,887.64

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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.