Home / 91,976.15-126,927.53-53,737.88

Finding the Fourth Proportional to 91,976.15, 126,927.53 and 53,737.88

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Solution

The fourth proportional to 91,976.15, 126,927.53 and 53,737.88 is: 74,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,976.15 : 126,927.53 = 53,737.88 : x
  2. Step 2: Convert to fraction form
    91,976.15/126,927.53 = 53,737.88/x
  3. Step 3: Cross multiply
    91,976.15x = 126,927.53 × 53,737.88
  4. Step 4: Simplify right side
    91,976.15x = 6,820,815,472.51
  5. Step 5: Solve for x
    x = 6,820,815,472.51/91,976.15
  6. Step 6: Final answer
    x = 74,158.53

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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.