Home / 112,946.08-155,868.96-62,644

Finding the Fourth Proportional to 112,946.08, 155,868.96 and 62,644

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Solution

The fourth proportional to 112,946.08, 155,868.96 and 62,644 is: 86,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,946.08 : 155,868.96 = 62,644 : x
  2. Step 2: Convert to fraction form
    112,946.08/155,868.96 = 62,644/x
  3. Step 3: Cross multiply
    112,946.08x = 155,868.96 × 62,644
  4. Step 4: Simplify right side
    112,946.08x = 9,764,255,130.24
  5. Step 5: Solve for x
    x = 9,764,255,130.24/112,946.08
  6. Step 6: Final answer
    x = 86,450.59

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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.