Home / 56,699.16-78,242.94-31,548.12

Finding the Fourth Proportional to 56,699.16, 78,242.94 and 31,548.12

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Solution

The fourth proportional to 56,699.16, 78,242.94 and 31,548.12 is: 43,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,699.16 : 78,242.94 = 31,548.12 : x
  2. Step 2: Convert to fraction form
    56,699.16/78,242.94 = 31,548.12/x
  3. Step 3: Cross multiply
    56,699.16x = 78,242.94 × 31,548.12
  4. Step 4: Simplify right side
    56,699.16x = 2,468,417,660.27
  5. Step 5: Solve for x
    x = 2,468,417,660.27/56,699.16
  6. Step 6: Final answer
    x = 43,535.35

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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.