Home / 64,745.16-89,346.93-36,064.71

Finding the Fourth Proportional to 64,745.16, 89,346.93 and 36,064.71

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Solution

The fourth proportional to 64,745.16, 89,346.93 and 36,064.71 is: 49,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,745.16 : 89,346.93 = 36,064.71 : x
  2. Step 2: Convert to fraction form
    64,745.16/89,346.93 = 36,064.71/x
  3. Step 3: Cross multiply
    64,745.16x = 89,346.93 × 36,064.71
  4. Step 4: Simplify right side
    64,745.16x = 3,222,271,119.84
  5. Step 5: Solve for x
    x = 3,222,271,119.84/64,745.16
  6. Step 6: Final answer
    x = 49,768.53

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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.