Home / 91,976.08-126,927.47-53,737.81

Finding the Fourth Proportional to 91,976.08, 126,927.47 and 53,737.81

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Solution

The fourth proportional to 91,976.08, 126,927.47 and 53,737.81 is: 74,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,976.08 : 126,927.47 = 53,737.81 : x
  2. Step 2: Convert to fraction form
    91,976.08/126,927.47 = 53,737.81/x
  3. Step 3: Cross multiply
    91,976.08x = 126,927.47 × 53,737.81
  4. Step 4: Simplify right side
    91,976.08x = 6,820,804,266.64
  5. Step 5: Solve for x
    x = 6,820,804,266.64/91,976.08
  6. Step 6: Final answer
    x = 74,158.46

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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.