Home / 56,797.65-78,381.29-31,304.93

Finding the Fourth Proportional to 56,797.65, 78,381.29 and 31,304.93

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Solution

The fourth proportional to 56,797.65, 78,381.29 and 31,304.93 is: 43,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,797.65 : 78,381.29 = 31,304.93 : x
  2. Step 2: Convert to fraction form
    56,797.65/78,381.29 = 31,304.93/x
  3. Step 3: Cross multiply
    56,797.65x = 78,381.29 × 31,304.93
  4. Step 4: Simplify right side
    56,797.65x = 2,453,720,796.76
  5. Step 5: Solve for x
    x = 2,453,720,796.76/56,797.65
  6. Step 6: Final answer
    x = 43,201.10

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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.