Home / 77,205.77-106,535.01-43,216.16

Finding the Fourth Proportional to 77,205.77, 106,535.01 and 43,216.16

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Solution

The fourth proportional to 77,205.77, 106,535.01 and 43,216.16 is: 59,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,205.77 : 106,535.01 = 43,216.16 : x
  2. Step 2: Convert to fraction form
    77,205.77/106,535.01 = 43,216.16/x
  3. Step 3: Cross multiply
    77,205.77x = 106,535.01 × 43,216.16
  4. Step 4: Simplify right side
    77,205.77x = 4,604,034,037.76
  5. Step 5: Solve for x
    x = 4,604,034,037.76/77,205.77
  6. Step 6: Final answer
    x = 59,633.29

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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.