Home / 57,152.08-78,835.50-37,771.12

Finding the Fourth Proportional to 57,152.08, 78,835.50 and 37,771.12

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Solution

The fourth proportional to 57,152.08, 78,835.50 and 37,771.12 is: 52,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152.08 : 78,835.50 = 37,771.12 : x
  2. Step 2: Convert to fraction form
    57,152.08/78,835.50 = 37,771.12/x
  3. Step 3: Cross multiply
    57,152.08x = 78,835.50 × 37,771.12
  4. Step 4: Simplify right side
    57,152.08x = 2,977,705,130.76
  5. Step 5: Solve for x
    x = 2,977,705,130.76/57,152.08
  6. Step 6: Final answer
    x = 52,101.43

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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.