Home / 101,745.48-140,417.64-59,303.10

Finding the Fourth Proportional to 101,745.48, 140,417.64 and 59,303.10

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Solution

The fourth proportional to 101,745.48, 140,417.64 and 59,303.10 is: 81,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,745.48 : 140,417.64 = 59,303.10 : x
  2. Step 2: Convert to fraction form
    101,745.48/140,417.64 = 59,303.10/x
  3. Step 3: Cross multiply
    101,745.48x = 140,417.64 × 59,303.10
  4. Step 4: Simplify right side
    101,745.48x = 8,327,201,346.68
  5. Step 5: Solve for x
    x = 8,327,201,346.68/101,745.48
  6. Step 6: Final answer
    x = 81,843.45

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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.