Home / 56,521.10-78,000.35-33,883.89

Finding the Fourth Proportional to 56,521.10, 78,000.35 and 33,883.89

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Solution

The fourth proportional to 56,521.10, 78,000.35 and 33,883.89 is: 46,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,521.10 : 78,000.35 = 33,883.89 : x
  2. Step 2: Convert to fraction form
    56,521.10/78,000.35 = 33,883.89/x
  3. Step 3: Cross multiply
    56,521.10x = 78,000.35 × 33,883.89
  4. Step 4: Simplify right side
    56,521.10x = 2,642,955,109.94
  5. Step 5: Solve for x
    x = 2,642,955,109.94/56,521.10
  6. Step 6: Final answer
    x = 46,760.51

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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.