Home / 112,915.37-155,823.21-62,614.37

Finding the Fourth Proportional to 112,915.37, 155,823.21 and 62,614.37

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Solution

The fourth proportional to 112,915.37, 155,823.21 and 62,614.37 is: 86,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,915.37 : 155,823.21 = 62,614.37 : x
  2. Step 2: Convert to fraction form
    112,915.37/155,823.21 = 62,614.37/x
  3. Step 3: Cross multiply
    112,915.37x = 155,823.21 × 62,614.37
  4. Step 4: Simplify right side
    112,915.37x = 9,756,772,125.53
  5. Step 5: Solve for x
    x = 9,756,772,125.53/112,915.37
  6. Step 6: Final answer
    x = 86,407.83

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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.