Home / 57,779.40-86,669.10-37,734.60

Finding the Fourth Proportional to 57,779.40, 86,669.10 and 37,734.60

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Solution

The fourth proportional to 57,779.40, 86,669.10 and 37,734.60 is: 56,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,779.40 : 86,669.10 = 37,734.60 : x
  2. Step 2: Convert to fraction form
    57,779.40/86,669.10 = 37,734.60/x
  3. Step 3: Cross multiply
    57,779.40x = 86,669.10 × 37,734.60
  4. Step 4: Simplify right side
    57,779.40x = 3,270,423,820.86
  5. Step 5: Solve for x
    x = 3,270,423,820.86/57,779.40
  6. Step 6: Final answer
    x = 56,601.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.