Home / 57,052.24-78,728.84-31,557.12

Finding the Fourth Proportional to 57,052.24, 78,728.84 and 31,557.12

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Solution

The fourth proportional to 57,052.24, 78,728.84 and 31,557.12 is: 43,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,052.24 : 78,728.84 = 31,557.12 : x
  2. Step 2: Convert to fraction form
    57,052.24/78,728.84 = 31,557.12/x
  3. Step 3: Cross multiply
    57,052.24x = 78,728.84 × 31,557.12
  4. Step 4: Simplify right side
    57,052.24x = 2,484,455,451.34
  5. Step 5: Solve for x
    x = 2,484,455,451.34/57,052.24
  6. Step 6: Final answer
    x = 43,547.03

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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.