Home / 112,307.08-168,459.92-28,066.81

Finding the Fourth Proportional to 112,307.08, 168,459.92 and 28,066.81

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Solution

The fourth proportional to 112,307.08, 168,459.92 and 28,066.81 is: 42,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,307.08 : 168,459.92 = 28,066.81 : x
  2. Step 2: Convert to fraction form
    112,307.08/168,459.92 = 28,066.81/x
  3. Step 3: Cross multiply
    112,307.08x = 168,459.92 × 28,066.81
  4. Step 4: Simplify right side
    112,307.08x = 4,728,132,567.26
  5. Step 5: Solve for x
    x = 4,728,132,567.26/112,307.08
  6. Step 6: Final answer
    x = 42,100.04

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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.