Home / 79,526.51-109,748.16-43,719.86

Finding the Fourth Proportional to 79,526.51, 109,748.16 and 43,719.86

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Solution

The fourth proportional to 79,526.51, 109,748.16 and 43,719.86 is: 60,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,526.51 : 109,748.16 = 43,719.86 : x
  2. Step 2: Convert to fraction form
    79,526.51/109,748.16 = 43,719.86/x
  3. Step 3: Cross multiply
    79,526.51x = 109,748.16 × 43,719.86
  4. Step 4: Simplify right side
    79,526.51x = 4,798,173,423.12
  5. Step 5: Solve for x
    x = 4,798,173,423.12/79,526.51
  6. Step 6: Final answer
    x = 60,334.26

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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.