Home / 112,015.81-168,027.80-37,142.51

Finding the Fourth Proportional to 112,015.81, 168,027.80 and 37,142.51

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Solution

The fourth proportional to 112,015.81, 168,027.80 and 37,142.51 is: 55,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015.81 : 168,027.80 = 37,142.51 : x
  2. Step 2: Convert to fraction form
    112,015.81/168,027.80 = 37,142.51/x
  3. Step 3: Cross multiply
    112,015.81x = 168,027.80 × 37,142.51
  4. Step 4: Simplify right side
    112,015.81x = 6,240,973,401.64
  5. Step 5: Solve for x
    x = 6,240,973,401.64/112,015.81
  6. Step 6: Final answer
    x = 55,715.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.