Home / 101,369.35-139,887.23-56,046.18

Finding the Fourth Proportional to 101,369.35, 139,887.23 and 56,046.18

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Solution

The fourth proportional to 101,369.35, 139,887.23 and 56,046.18 is: 77,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,369.35 : 139,887.23 = 56,046.18 : x
  2. Step 2: Convert to fraction form
    101,369.35/139,887.23 = 56,046.18/x
  3. Step 3: Cross multiply
    101,369.35x = 139,887.23 × 56,046.18
  4. Step 4: Simplify right side
    101,369.35x = 7,840,144,487.39
  5. Step 5: Solve for x
    x = 7,840,144,487.39/101,369.35
  6. Step 6: Final answer
    x = 77,342.36

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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.