Home / 77,037.97-106,302.63-45,195.25

Finding the Fourth Proportional to 77,037.97, 106,302.63 and 45,195.25

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Solution

The fourth proportional to 77,037.97, 106,302.63 and 45,195.25 is: 62,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,037.97 : 106,302.63 = 45,195.25 : x
  2. Step 2: Convert to fraction form
    77,037.97/106,302.63 = 45,195.25/x
  3. Step 3: Cross multiply
    77,037.97x = 106,302.63 × 45,195.25
  4. Step 4: Simplify right side
    77,037.97x = 4,804,373,938.51
  5. Step 5: Solve for x
    x = 4,804,373,938.51/77,037.97
  6. Step 6: Final answer
    x = 62,363.71

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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.