Home / 74,355.36-102,629.34-42,534.24

Finding the Fourth Proportional to 74,355.36, 102,629.34 and 42,534.24

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Solution

The fourth proportional to 74,355.36, 102,629.34 and 42,534.24 is: 58,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,355.36 : 102,629.34 = 42,534.24 : x
  2. Step 2: Convert to fraction form
    74,355.36/102,629.34 = 42,534.24/x
  3. Step 3: Cross multiply
    74,355.36x = 102,629.34 × 42,534.24
  4. Step 4: Simplify right side
    74,355.36x = 4,365,260,978.60
  5. Step 5: Solve for x
    x = 4,365,260,978.60/74,355.36
  6. Step 6: Final answer
    x = 58,708.09

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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.