Home / 112,345.68-168,462.09-37,439.58

Finding the Fourth Proportional to 112,345.68, 168,462.09 and 37,439.58

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Solution

The fourth proportional to 112,345.68, 168,462.09 and 37,439.58 is: 56,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,345.68 : 168,462.09 = 37,439.58 : x
  2. Step 2: Convert to fraction form
    112,345.68/168,462.09 = 37,439.58/x
  3. Step 3: Cross multiply
    112,345.68x = 168,462.09 × 37,439.58
  4. Step 4: Simplify right side
    112,345.68x = 6,307,149,895.52
  5. Step 5: Solve for x
    x = 6,307,149,895.52/112,345.68
  6. Step 6: Final answer
    x = 56,140.56

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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.