Home / 104,013.52-143,538.58-56,266.90

Finding the Fourth Proportional to 104,013.52, 143,538.58 and 56,266.90

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Solution

The fourth proportional to 104,013.52, 143,538.58 and 56,266.90 is: 77,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,013.52 : 143,538.58 = 56,266.90 : x
  2. Step 2: Convert to fraction form
    104,013.52/143,538.58 = 56,266.90/x
  3. Step 3: Cross multiply
    104,013.52x = 143,538.58 × 56,266.90
  4. Step 4: Simplify right side
    104,013.52x = 8,076,471,445.89
  5. Step 5: Solve for x
    x = 8,076,471,445.89/104,013.52
  6. Step 6: Final answer
    x = 77,648.29

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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.