Home / 101,045.37-139,442.53-58,027.68

Finding the Fourth Proportional to 101,045.37, 139,442.53 and 58,027.68

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Solution

The fourth proportional to 101,045.37, 139,442.53 and 58,027.68 is: 80,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,045.37 : 139,442.53 = 58,027.68 : x
  2. Step 2: Convert to fraction form
    101,045.37/139,442.53 = 58,027.68/x
  3. Step 3: Cross multiply
    101,045.37x = 139,442.53 × 58,027.68
  4. Step 4: Simplify right side
    101,045.37x = 8,091,526,509.23
  5. Step 5: Solve for x
    x = 8,091,526,509.23/101,045.37
  6. Step 6: Final answer
    x = 80,078.15

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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.