Home / 65,037.24-89,721.60-57,055.44

Finding the Fourth Proportional to 65,037.24, 89,721.60 and 57,055.44

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Solution

The fourth proportional to 65,037.24, 89,721.60 and 57,055.44 is: 78,710.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,037.24 : 89,721.60 = 57,055.44 : x
  2. Step 2: Convert to fraction form
    65,037.24/89,721.60 = 57,055.44/x
  3. Step 3: Cross multiply
    65,037.24x = 89,721.60 × 57,055.44
  4. Step 4: Simplify right side
    65,037.24x = 5,119,105,365.50
  5. Step 5: Solve for x
    x = 5,119,105,365.50/65,037.24
  6. Step 6: Final answer
    x = 78,710.37

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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.