Home / 57,165.40-78,888.18-32,015.08

Finding the Fourth Proportional to 57,165.40, 78,888.18 and 32,015.08

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Solution

The fourth proportional to 57,165.40, 78,888.18 and 32,015.08 is: 44,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,165.40 : 78,888.18 = 32,015.08 : x
  2. Step 2: Convert to fraction form
    57,165.40/78,888.18 = 32,015.08/x
  3. Step 3: Cross multiply
    57,165.40x = 78,888.18 × 32,015.08
  4. Step 4: Simplify right side
    57,165.40x = 2,525,611,393.75
  5. Step 5: Solve for x
    x = 2,525,611,393.75/57,165.40
  6. Step 6: Final answer
    x = 44,180.77

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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.