Home / 79,068.56-109,117.23-43,258.58

Finding the Fourth Proportional to 79,068.56, 109,117.23 and 43,258.58

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Solution

The fourth proportional to 79,068.56, 109,117.23 and 43,258.58 is: 59,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,068.56 : 109,117.23 = 43,258.58 : x
  2. Step 2: Convert to fraction form
    79,068.56/109,117.23 = 43,258.58/x
  3. Step 3: Cross multiply
    79,068.56x = 109,117.23 × 43,258.58
  4. Step 4: Simplify right side
    79,068.56x = 4,720,256,431.61
  5. Step 5: Solve for x
    x = 4,720,256,431.61/79,068.56
  6. Step 6: Final answer
    x = 59,698.28

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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.