Home / 57,119.58-78,666.39-52,687.26

Finding the Fourth Proportional to 57,119.58, 78,666.39 and 52,687.26

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Solution

The fourth proportional to 57,119.58, 78,666.39 and 52,687.26 is: 72,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,119.58 : 78,666.39 = 52,687.26 : x
  2. Step 2: Convert to fraction form
    57,119.58/78,666.39 = 52,687.26/x
  3. Step 3: Cross multiply
    57,119.58x = 78,666.39 × 52,687.26
  4. Step 4: Simplify right side
    57,119.58x = 4,144,716,543.19
  5. Step 5: Solve for x
    x = 4,144,716,543.19/57,119.58
  6. Step 6: Final answer
    x = 72,562.10

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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.