Home / 84,904.28-127,181.40-49,737.32

Finding the Fourth Proportional to 84,904.28, 127,181.40 and 49,737.32

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Solution

The fourth proportional to 84,904.28, 127,181.40 and 49,737.32 is: 74,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,904.28 : 127,181.40 = 49,737.32 : x
  2. Step 2: Convert to fraction form
    84,904.28/127,181.40 = 49,737.32/x
  3. Step 3: Cross multiply
    84,904.28x = 127,181.40 × 49,737.32
  4. Step 4: Simplify right side
    84,904.28x = 6,325,661,989.85
  5. Step 5: Solve for x
    x = 6,325,661,989.85/84,904.28
  6. Step 6: Final answer
    x = 74,503.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.