Home / 104,013.69-143,538.46-56,266.92

Finding the Fourth Proportional to 104,013.69, 143,538.46 and 56,266.92

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Solution

The fourth proportional to 104,013.69, 143,538.46 and 56,266.92 is: 77,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,013.69 : 143,538.46 = 56,266.92 : x
  2. Step 2: Convert to fraction form
    104,013.69/143,538.46 = 56,266.92/x
  3. Step 3: Cross multiply
    104,013.69x = 143,538.46 × 56,266.92
  4. Step 4: Simplify right side
    104,013.69x = 8,076,467,045.74
  5. Step 5: Solve for x
    x = 8,076,467,045.74/104,013.69
  6. Step 6: Final answer
    x = 77,648.12

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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.