Home / 93,000.45-128,341.89-50,559.87

Finding the Fourth Proportional to 93,000.45, 128,341.89 and 50,559.87

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Solution

The fourth proportional to 93,000.45, 128,341.89 and 50,559.87 is: 69,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,000.45 : 128,341.89 = 50,559.87 : x
  2. Step 2: Convert to fraction form
    93,000.45/128,341.89 = 50,559.87/x
  3. Step 3: Cross multiply
    93,000.45x = 128,341.89 × 50,559.87
  4. Step 4: Simplify right side
    93,000.45x = 6,488,949,273.95
  5. Step 5: Solve for x
    x = 6,488,949,273.95/93,000.45
  6. Step 6: Final answer
    x = 69,773.31

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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.