Home / 53,202.81-72,887.55-51,208.59

Finding the Fourth Proportional to 53,202.81, 72,887.55 and 51,208.59

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Solution

The fourth proportional to 53,202.81, 72,887.55 and 51,208.59 is: 70,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,202.81 : 72,887.55 = 51,208.59 : x
  2. Step 2: Convert to fraction form
    53,202.81/72,887.55 = 51,208.59/x
  3. Step 3: Cross multiply
    53,202.81x = 72,887.55 × 51,208.59
  4. Step 4: Simplify right side
    53,202.81x = 3,732,468,664.05
  5. Step 5: Solve for x
    x = 3,732,468,664.05/53,202.81
  6. Step 6: Final answer
    x = 70,155.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.