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Finding the Fourth Proportional to 94,602.90, 130,483.38 and 64,334.42

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Solution

The fourth proportional to 94,602.90, 130,483.38 and 64,334.42 is: 88,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,602.90 : 130,483.38 = 64,334.42 : x
  2. Step 2: Convert to fraction form
    94,602.90/130,483.38 = 64,334.42/x
  3. Step 3: Cross multiply
    94,602.90x = 130,483.38 × 64,334.42
  4. Step 4: Simplify right side
    94,602.90x = 8,394,572,571.94
  5. Step 5: Solve for x
    x = 8,394,572,571.94/94,602.90
  6. Step 6: Final answer
    x = 88,734.83

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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.