Home / 109,448.87-151,037.46-61,702.29

Finding the Fourth Proportional to 109,448.87, 151,037.46 and 61,702.29

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Solution

The fourth proportional to 109,448.87, 151,037.46 and 61,702.29 is: 85,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,448.87 : 151,037.46 = 61,702.29 : x
  2. Step 2: Convert to fraction form
    109,448.87/151,037.46 = 61,702.29/x
  3. Step 3: Cross multiply
    109,448.87x = 151,037.46 × 61,702.29
  4. Step 4: Simplify right side
    109,448.87x = 9,319,357,157.78
  5. Step 5: Solve for x
    x = 9,319,357,157.78/109,448.87
  6. Step 6: Final answer
    x = 85,148.05

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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.