Home / 93,121.01-128,503.21-52,833.90

Finding the Fourth Proportional to 93,121.01, 128,503.21 and 52,833.90

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Solution

The fourth proportional to 93,121.01, 128,503.21 and 52,833.90 is: 72,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,121.01 : 128,503.21 = 52,833.90 : x
  2. Step 2: Convert to fraction form
    93,121.01/128,503.21 = 52,833.90/x
  3. Step 3: Cross multiply
    93,121.01x = 128,503.21 × 52,833.90
  4. Step 4: Simplify right side
    93,121.01x = 6,789,326,247.63
  5. Step 5: Solve for x
    x = 6,789,326,247.63/93,121.01
  6. Step 6: Final answer
    x = 72,908.64

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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.