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Finding the Fourth Proportional to 60,011.27, 90,073.40 and 30,450.32

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Solution

The fourth proportional to 60,011.27, 90,073.40 and 30,450.32 is: 45,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,011.27 : 90,073.40 = 30,450.32 : x
  2. Step 2: Convert to fraction form
    60,011.27/90,073.40 = 30,450.32/x
  3. Step 3: Cross multiply
    60,011.27x = 90,073.40 × 30,450.32
  4. Step 4: Simplify right side
    60,011.27x = 2,742,763,929.61
  5. Step 5: Solve for x
    x = 2,742,763,929.61/60,011.27
  6. Step 6: Final answer
    x = 45,704.15

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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.