Home / 109,594.02-151,239.78-61,857.48

Finding the Fourth Proportional to 109,594.02, 151,239.78 and 61,857.48

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Solution

The fourth proportional to 109,594.02, 151,239.78 and 61,857.48 is: 85,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,594.02 : 151,239.78 = 61,857.48 : x
  2. Step 2: Convert to fraction form
    109,594.02/151,239.78 = 61,857.48/x
  3. Step 3: Cross multiply
    109,594.02x = 151,239.78 × 61,857.48
  4. Step 4: Simplify right side
    109,594.02x = 9,355,311,666.55
  5. Step 5: Solve for x
    x = 9,355,311,666.55/109,594.02
  6. Step 6: Final answer
    x = 85,363.34

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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.