Home / 109,737.37-151,429.26-61,995.16

Finding the Fourth Proportional to 109,737.37, 151,429.26 and 61,995.16

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Solution

The fourth proportional to 109,737.37, 151,429.26 and 61,995.16 is: 85,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,737.37 : 151,429.26 = 61,995.16 : x
  2. Step 2: Convert to fraction form
    109,737.37/151,429.26 = 61,995.16/x
  3. Step 3: Cross multiply
    109,737.37x = 151,429.26 × 61,995.16
  4. Step 4: Simplify right side
    109,737.37x = 9,387,881,202.38
  5. Step 5: Solve for x
    x = 9,387,881,202.38/109,737.37
  6. Step 6: Final answer
    x = 85,548.63

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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.