Home / 57,020.68-78,681.54-33,152.68

Finding the Fourth Proportional to 57,020.68, 78,681.54 and 33,152.68

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Solution

The fourth proportional to 57,020.68, 78,681.54 and 33,152.68 is: 45,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020.68 : 78,681.54 = 33,152.68 : x
  2. Step 2: Convert to fraction form
    57,020.68/78,681.54 = 33,152.68/x
  3. Step 3: Cross multiply
    57,020.68x = 78,681.54 × 33,152.68
  4. Step 4: Simplify right side
    57,020.68x = 2,608,503,917.53
  5. Step 5: Solve for x
    x = 2,608,503,917.53/57,020.68
  6. Step 6: Final answer
    x = 45,746.63

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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.