Home / 91,285.04-125,974.32-53,559.92

Finding the Fourth Proportional to 91,285.04, 125,974.32 and 53,559.92

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Solution

The fourth proportional to 91,285.04, 125,974.32 and 53,559.92 is: 73,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,285.04 : 125,974.32 = 53,559.92 : x
  2. Step 2: Convert to fraction form
    91,285.04/125,974.32 = 53,559.92/x
  3. Step 3: Cross multiply
    91,285.04x = 125,974.32 × 53,559.92
  4. Step 4: Simplify right side
    91,285.04x = 6,747,174,501.25
  5. Step 5: Solve for x
    x = 6,747,174,501.25/91,285.04
  6. Step 6: Final answer
    x = 73,913.26

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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.