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Finding the Fourth Proportional to 64,682.79, 89,232.75 and 46,749.39

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Solution

The fourth proportional to 64,682.79, 89,232.75 and 46,749.39 is: 64,492.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,682.79 : 89,232.75 = 46,749.39 : x
  2. Step 2: Convert to fraction form
    64,682.79/89,232.75 = 46,749.39/x
  3. Step 3: Cross multiply
    64,682.79x = 89,232.75 × 46,749.39
  4. Step 4: Simplify right side
    64,682.79x = 4,171,576,630.52
  5. Step 5: Solve for x
    x = 4,171,576,630.52/64,682.79
  6. Step 6: Final answer
    x = 64,492.84

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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.