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Finding the Fourth Proportional to 65,270.34, 90,069.54 and 36,975.42

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Solution

The fourth proportional to 65,270.34, 90,069.54 and 36,975.42 is: 51,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,270.34 : 90,069.54 = 36,975.42 : x
  2. Step 2: Convert to fraction form
    65,270.34/90,069.54 = 36,975.42/x
  3. Step 3: Cross multiply
    65,270.34x = 90,069.54 × 36,975.42
  4. Step 4: Simplify right side
    65,270.34x = 3,330,359,070.71
  5. Step 5: Solve for x
    x = 3,330,359,070.71/65,270.34
  6. Step 6: Final answer
    x = 51,024.08

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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.