Home / 112,927.36-155,835.84-62,631.04

Finding the Fourth Proportional to 112,927.36, 155,835.84 and 62,631.04

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Solution

The fourth proportional to 112,927.36, 155,835.84 and 62,631.04 is: 86,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,927.36 : 155,835.84 = 62,631.04 : x
  2. Step 2: Convert to fraction form
    112,927.36/155,835.84 = 62,631.04/x
  3. Step 3: Cross multiply
    112,927.36x = 155,835.84 × 62,631.04
  4. Step 4: Simplify right side
    112,927.36x = 9,760,160,728.47
  5. Step 5: Solve for x
    x = 9,760,160,728.47/112,927.36
  6. Step 6: Final answer
    x = 86,428.66

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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.