Home / 79,025.72-109,051.08-43,208.60

Finding the Fourth Proportional to 79,025.72, 109,051.08 and 43,208.60

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Solution

The fourth proportional to 79,025.72, 109,051.08 and 43,208.60 is: 59,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,025.72 : 109,051.08 = 43,208.60 : x
  2. Step 2: Convert to fraction form
    79,025.72/109,051.08 = 43,208.60/x
  3. Step 3: Cross multiply
    79,025.72x = 109,051.08 × 43,208.60
  4. Step 4: Simplify right side
    79,025.72x = 4,711,944,495.29
  5. Step 5: Solve for x
    x = 4,711,944,495.29/79,025.72
  6. Step 6: Final answer
    x = 59,625.45

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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.