Home / 75,091.61-103,620.51-43,263.06

Finding the Fourth Proportional to 75,091.61, 103,620.51 and 43,263.06

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Solution

The fourth proportional to 75,091.61, 103,620.51 and 43,263.06 is: 59,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,091.61 : 103,620.51 = 43,263.06 : x
  2. Step 2: Convert to fraction form
    75,091.61/103,620.51 = 43,263.06/x
  3. Step 3: Cross multiply
    75,091.61x = 103,620.51 × 43,263.06
  4. Step 4: Simplify right side
    75,091.61x = 4,482,940,341.36
  5. Step 5: Solve for x
    x = 4,482,940,341.36/75,091.61
  6. Step 6: Final answer
    x = 59,699.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.