Home / 101,605.46-140,215.37-56,283.53

Finding the Fourth Proportional to 101,605.46, 140,215.37 and 56,283.53

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Solution

The fourth proportional to 101,605.46, 140,215.37 and 56,283.53 is: 77,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,605.46 : 140,215.37 = 56,283.53 : x
  2. Step 2: Convert to fraction form
    101,605.46/140,215.37 = 56,283.53/x
  3. Step 3: Cross multiply
    101,605.46x = 140,215.37 × 56,283.53
  4. Step 4: Simplify right side
    101,605.46x = 7,891,815,001.36
  5. Step 5: Solve for x
    x = 7,891,815,001.36/101,605.46
  6. Step 6: Final answer
    x = 77,671.17

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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.