Home / 56,607.24-78,114.42-31,455.24

Finding the Fourth Proportional to 56,607.24, 78,114.42 and 31,455.24

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Solution

The fourth proportional to 56,607.24, 78,114.42 and 31,455.24 is: 43,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,607.24 : 78,114.42 = 31,455.24 : x
  2. Step 2: Convert to fraction form
    56,607.24/78,114.42 = 31,455.24/x
  3. Step 3: Cross multiply
    56,607.24x = 78,114.42 × 31,455.24
  4. Step 4: Simplify right side
    56,607.24x = 2,457,107,828.56
  5. Step 5: Solve for x
    x = 2,457,107,828.56/56,607.24
  6. Step 6: Final answer
    x = 43,406.25

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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.