Home / 52,778.01-72,833.07-28,903.26

Finding the Fourth Proportional to 52,778.01, 72,833.07 and 28,903.26

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Solution

The fourth proportional to 52,778.01, 72,833.07 and 28,903.26 is: 39,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.01 : 72,833.07 = 28,903.26 : x
  2. Step 2: Convert to fraction form
    52,778.01/72,833.07 = 28,903.26/x
  3. Step 3: Cross multiply
    52,778.01x = 72,833.07 × 28,903.26
  4. Step 4: Simplify right side
    52,778.01x = 2,105,113,158.81
  5. Step 5: Solve for x
    x = 2,105,113,158.81/52,778.01
  6. Step 6: Final answer
    x = 39,886.18

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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.