Home / 101,733.08-140,393.34-56,412.98

Finding the Fourth Proportional to 101,733.08, 140,393.34 and 56,412.98

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Solution

The fourth proportional to 101,733.08, 140,393.34 and 56,412.98 is: 77,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,733.08 : 140,393.34 = 56,412.98 : x
  2. Step 2: Convert to fraction form
    101,733.08/140,393.34 = 56,412.98/x
  3. Step 3: Cross multiply
    101,733.08x = 140,393.34 × 56,412.98
  4. Step 4: Simplify right side
    101,733.08x = 7,920,006,681.55
  5. Step 5: Solve for x
    x = 7,920,006,681.55/101,733.08
  6. Step 6: Final answer
    x = 77,850.85

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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.