Home / 112,099.68-154,692.75-61,111.17

Finding the Fourth Proportional to 112,099.68, 154,692.75 and 61,111.17

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Solution

The fourth proportional to 112,099.68, 154,692.75 and 61,111.17 is: 84,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099.68 : 154,692.75 = 61,111.17 : x
  2. Step 2: Convert to fraction form
    112,099.68/154,692.75 = 61,111.17/x
  3. Step 3: Cross multiply
    112,099.68x = 154,692.75 × 61,111.17
  4. Step 4: Simplify right side
    112,099.68x = 9,453,454,943.02
  5. Step 5: Solve for x
    x = 9,453,454,943.02/112,099.68
  6. Step 6: Final answer
    x = 84,330.79

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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.