Home / 74,655.36-111,436.92-65,798.28

Finding the Fourth Proportional to 74,655.36, 111,436.92 and 65,798.28

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Solution

The fourth proportional to 74,655.36, 111,436.92 and 65,798.28 is: 98,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,655.36 : 111,436.92 = 65,798.28 : x
  2. Step 2: Convert to fraction form
    74,655.36/111,436.92 = 65,798.28/x
  3. Step 3: Cross multiply
    74,655.36x = 111,436.92 × 65,798.28
  4. Step 4: Simplify right side
    74,655.36x = 7,332,357,664.50
  5. Step 5: Solve for x
    x = 7,332,357,664.50/74,655.36
  6. Step 6: Final answer
    x = 98,216.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.