Home / 112,715.01-155,544.98-61,727.33

Finding the Fourth Proportional to 112,715.01, 155,544.98 and 61,727.33

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Solution

The fourth proportional to 112,715.01, 155,544.98 and 61,727.33 is: 85,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,715.01 : 155,544.98 = 61,727.33 : x
  2. Step 2: Convert to fraction form
    112,715.01/155,544.98 = 61,727.33/x
  3. Step 3: Cross multiply
    112,715.01x = 155,544.98 × 61,727.33
  4. Step 4: Simplify right side
    112,715.01x = 9,601,376,390.53
  5. Step 5: Solve for x
    x = 9,601,376,390.53/112,715.01
  6. Step 6: Final answer
    x = 85,182.77

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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.