Home / 57,041.08-78,685.09-33,165.11

Finding the Fourth Proportional to 57,041.08, 78,685.09 and 33,165.11

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Solution

The fourth proportional to 57,041.08, 78,685.09 and 33,165.11 is: 45,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,041.08 : 78,685.09 = 33,165.11 : x
  2. Step 2: Convert to fraction form
    57,041.08/78,685.09 = 33,165.11/x
  3. Step 3: Cross multiply
    57,041.08x = 78,685.09 × 33,165.11
  4. Step 4: Simplify right side
    57,041.08x = 2,609,599,779.01
  5. Step 5: Solve for x
    x = 2,609,599,779.01/57,041.08
  6. Step 6: Final answer
    x = 45,749.48

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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.