Home / 79,071.04-109,118.30-43,260.94

Finding the Fourth Proportional to 79,071.04, 109,118.30 and 43,260.94

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Solution

The fourth proportional to 79,071.04, 109,118.30 and 43,260.94 is: 59,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,071.04 : 109,118.30 = 43,260.94 : x
  2. Step 2: Convert to fraction form
    79,071.04/109,118.30 = 43,260.94/x
  3. Step 3: Cross multiply
    79,071.04x = 109,118.30 × 43,260.94
  4. Step 4: Simplify right side
    79,071.04x = 4,720,559,740.10
  5. Step 5: Solve for x
    x = 4,720,559,740.10/79,071.04
  6. Step 6: Final answer
    x = 59,700.24

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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.