Home / 79,094.16-109,139.40-45,553.68

Finding the Fourth Proportional to 79,094.16, 109,139.40 and 45,553.68

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Solution

The fourth proportional to 79,094.16, 109,139.40 and 45,553.68 is: 62,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,094.16 : 109,139.40 = 45,553.68 : x
  2. Step 2: Convert to fraction form
    79,094.16/109,139.40 = 45,553.68/x
  3. Step 3: Cross multiply
    79,094.16x = 109,139.40 × 45,553.68
  4. Step 4: Simplify right side
    79,094.16x = 4,971,701,302.99
  5. Step 5: Solve for x
    x = 4,971,701,302.99/79,094.16
  6. Step 6: Final answer
    x = 62,858.01

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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.