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Finding the Fourth Proportional to 60,000.30, 89,940.75 and 28,354.32

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Solution

The fourth proportional to 60,000.30, 89,940.75 and 28,354.32 is: 42,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,000.30 : 89,940.75 = 28,354.32 : x
  2. Step 2: Convert to fraction form
    60,000.30/89,940.75 = 28,354.32/x
  3. Step 3: Cross multiply
    60,000.30x = 89,940.75 × 28,354.32
  4. Step 4: Simplify right side
    60,000.30x = 2,550,208,806.54
  5. Step 5: Solve for x
    x = 2,550,208,806.54/60,000.30
  6. Step 6: Final answer
    x = 42,503.27

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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.