Home / 79,370.07-109,530.60-43,560.18

Finding the Fourth Proportional to 79,370.07, 109,530.60 and 43,560.18

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Solution

The fourth proportional to 79,370.07, 109,530.60 and 43,560.18 is: 60,113.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,370.07 : 109,530.60 = 43,560.18 : x
  2. Step 2: Convert to fraction form
    79,370.07/109,530.60 = 43,560.18/x
  3. Step 3: Cross multiply
    79,370.07x = 109,530.60 × 43,560.18
  4. Step 4: Simplify right side
    79,370.07x = 4,771,172,651.51
  5. Step 5: Solve for x
    x = 4,771,172,651.51/79,370.07
  6. Step 6: Final answer
    x = 60,113.00

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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.