Home / 52,143.34-78,214.98-45,102.42

Finding the Fourth Proportional to 52,143.34, 78,214.98 and 45,102.42

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Solution

The fourth proportional to 52,143.34, 78,214.98 and 45,102.42 is: 67,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,143.34 : 78,214.98 = 45,102.42 : x
  2. Step 2: Convert to fraction form
    52,143.34/78,214.98 = 45,102.42/x
  3. Step 3: Cross multiply
    52,143.34x = 78,214.98 × 45,102.42
  4. Step 4: Simplify right side
    52,143.34x = 3,527,684,878.25
  5. Step 5: Solve for x
    x = 3,527,684,878.25/52,143.34
  6. Step 6: Final answer
    x = 67,653.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.