Home / 103,427.03-142,719.22-58,094.75

Finding the Fourth Proportional to 103,427.03, 142,719.22 and 58,094.75

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Solution

The fourth proportional to 103,427.03, 142,719.22 and 58,094.75 is: 80,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,427.03 : 142,719.22 = 58,094.75 : x
  2. Step 2: Convert to fraction form
    103,427.03/142,719.22 = 58,094.75/x
  3. Step 3: Cross multiply
    103,427.03x = 142,719.22 × 58,094.75
  4. Step 4: Simplify right side
    103,427.03x = 8,291,237,406.10
  5. Step 5: Solve for x
    x = 8,291,237,406.10/103,427.03
  6. Step 6: Final answer
    x = 80,165.09

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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.