Home / 112,991.93-155,928.40-62,005.51

Finding the Fourth Proportional to 112,991.93, 155,928.40 and 62,005.51

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Solution

The fourth proportional to 112,991.93, 155,928.40 and 62,005.51 is: 85,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991.93 : 155,928.40 = 62,005.51 : x
  2. Step 2: Convert to fraction form
    112,991.93/155,928.40 = 62,005.51/x
  3. Step 3: Cross multiply
    112,991.93x = 155,928.40 × 62,005.51
  4. Step 4: Simplify right side
    112,991.93x = 9,668,419,965.48
  5. Step 5: Solve for x
    x = 9,668,419,965.48/112,991.93
  6. Step 6: Final answer
    x = 85,567.35

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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.