Home / 56,785.06-78,312.45-35,566.30

Finding the Fourth Proportional to 56,785.06, 78,312.45 and 35,566.30

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Solution

The fourth proportional to 56,785.06, 78,312.45 and 35,566.30 is: 49,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,785.06 : 78,312.45 = 35,566.30 : x
  2. Step 2: Convert to fraction form
    56,785.06/78,312.45 = 35,566.30/x
  3. Step 3: Cross multiply
    56,785.06x = 78,312.45 × 35,566.30
  4. Step 4: Simplify right side
    56,785.06x = 2,785,284,090.44
  5. Step 5: Solve for x
    x = 2,785,284,090.44/56,785.06
  6. Step 6: Final answer
    x = 49,049.59

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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.