Home / 112,840.07-155,717.07-61,852.91

Finding the Fourth Proportional to 112,840.07, 155,717.07 and 61,852.91

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Solution

The fourth proportional to 112,840.07, 155,717.07 and 61,852.91 is: 85,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,840.07 : 155,717.07 = 61,852.91 : x
  2. Step 2: Convert to fraction form
    112,840.07/155,717.07 = 61,852.91/x
  3. Step 3: Cross multiply
    112,840.07x = 155,717.07 × 61,852.91
  4. Step 4: Simplify right side
    112,840.07x = 9,631,553,137.59
  5. Step 5: Solve for x
    x = 9,631,553,137.59/112,840.07
  6. Step 6: Final answer
    x = 85,355.79

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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.