Home / 101,677.32-140,318.30-61,383.21

Finding the Fourth Proportional to 101,677.32, 140,318.30 and 61,383.21

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Solution

The fourth proportional to 101,677.32, 140,318.30 and 61,383.21 is: 84,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,677.32 : 140,318.30 = 61,383.21 : x
  2. Step 2: Convert to fraction form
    101,677.32/140,318.30 = 61,383.21/x
  3. Step 3: Cross multiply
    101,677.32x = 140,318.30 × 61,383.21
  4. Step 4: Simplify right side
    101,677.32x = 8,613,187,368.83
  5. Step 5: Solve for x
    x = 8,613,187,368.83/101,677.32
  6. Step 6: Final answer
    x = 84,711.00

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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.