Home / 101,925.24-140,663.12-56,603.54

Finding the Fourth Proportional to 101,925.24, 140,663.12 and 56,603.54

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Solution

The fourth proportional to 101,925.24, 140,663.12 and 56,603.54 is: 78,116.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,925.24 : 140,663.12 = 56,603.54 : x
  2. Step 2: Convert to fraction form
    101,925.24/140,663.12 = 56,603.54/x
  3. Step 3: Cross multiply
    101,925.24x = 140,663.12 × 56,603.54
  4. Step 4: Simplify right side
    101,925.24x = 7,962,029,553.11
  5. Step 5: Solve for x
    x = 7,962,029,553.11/101,925.24
  6. Step 6: Final answer
    x = 78,116.37

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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.