Home / 109,288.17-150,813.29-61,543.53

Finding the Fourth Proportional to 109,288.17, 150,813.29 and 61,543.53

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Solution

The fourth proportional to 109,288.17, 150,813.29 and 61,543.53 is: 84,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,288.17 : 150,813.29 = 61,543.53 : x
  2. Step 2: Convert to fraction form
    109,288.17/150,813.29 = 61,543.53/x
  3. Step 3: Cross multiply
    109,288.17x = 150,813.29 × 61,543.53
  4. Step 4: Simplify right side
    109,288.17x = 9,281,582,391.37
  5. Step 5: Solve for x
    x = 9,281,582,391.37/109,288.17
  6. Step 6: Final answer
    x = 84,927.60

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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.