Home / 57,855.02-79,840.23-33,670.31

Finding the Fourth Proportional to 57,855.02, 79,840.23 and 33,670.31

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Solution

The fourth proportional to 57,855.02, 79,840.23 and 33,670.31 is: 46,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,855.02 : 79,840.23 = 33,670.31 : x
  2. Step 2: Convert to fraction form
    57,855.02/79,840.23 = 33,670.31/x
  3. Step 3: Cross multiply
    57,855.02x = 79,840.23 × 33,670.31
  4. Step 4: Simplify right side
    57,855.02x = 2,688,245,294.57
  5. Step 5: Solve for x
    x = 2,688,245,294.57/57,855.02
  6. Step 6: Final answer
    x = 46,465.20

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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.