Home / 112,002.96-168,070.59-40,919.28

Finding the Fourth Proportional to 112,002.96, 168,070.59 and 40,919.28

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Solution

The fourth proportional to 112,002.96, 168,070.59 and 40,919.28 is: 61,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,002.96 : 168,070.59 = 40,919.28 : x
  2. Step 2: Convert to fraction form
    112,002.96/168,070.59 = 40,919.28/x
  3. Step 3: Cross multiply
    112,002.96x = 168,070.59 × 40,919.28
  4. Step 4: Simplify right side
    112,002.96x = 6,877,327,531.98
  5. Step 5: Solve for x
    x = 6,877,327,531.98/112,002.96
  6. Step 6: Final answer
    x = 61,403.09

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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.