Home / 74,790.09-112,115.88-39,244.05

Finding the Fourth Proportional to 74,790.09, 112,115.88 and 39,244.05

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Solution

The fourth proportional to 74,790.09, 112,115.88 and 39,244.05 is: 58,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790.09 : 112,115.88 = 39,244.05 : x
  2. Step 2: Convert to fraction form
    74,790.09/112,115.88 = 39,244.05/x
  3. Step 3: Cross multiply
    74,790.09x = 112,115.88 × 39,244.05
  4. Step 4: Simplify right side
    74,790.09x = 4,399,881,200.51
  5. Step 5: Solve for x
    x = 4,399,881,200.51/74,790.09
  6. Step 6: Final answer
    x = 58,829.74

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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.