Home / 112,926.44-155,838.71-61,939.59

Finding the Fourth Proportional to 112,926.44, 155,838.71 and 61,939.59

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Solution

The fourth proportional to 112,926.44, 155,838.71 and 61,939.59 is: 85,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,926.44 : 155,838.71 = 61,939.59 : x
  2. Step 2: Convert to fraction form
    112,926.44/155,838.71 = 61,939.59/x
  3. Step 3: Cross multiply
    112,926.44x = 155,838.71 × 61,939.59
  4. Step 4: Simplify right side
    112,926.44x = 9,652,585,024.34
  5. Step 5: Solve for x
    x = 9,652,585,024.34/112,926.44
  6. Step 6: Final answer
    x = 85,476.75

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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.