Home / 93,000.10-128,333.82-50,557.72

Finding the Fourth Proportional to 93,000.10, 128,333.82 and 50,557.72

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Solution

The fourth proportional to 93,000.10, 128,333.82 and 50,557.72 is: 69,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,000.10 : 128,333.82 = 50,557.72 : x
  2. Step 2: Convert to fraction form
    93,000.10/128,333.82 = 50,557.72/x
  3. Step 3: Cross multiply
    93,000.10x = 128,333.82 × 50,557.72
  4. Step 4: Simplify right side
    93,000.10x = 6,488,265,338.09
  5. Step 5: Solve for x
    x = 6,488,265,338.09/93,000.10
  6. Step 6: Final answer
    x = 69,766.22

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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.