Home / 74,649.36-111,427.87-65,792.32

Finding the Fourth Proportional to 74,649.36, 111,427.87 and 65,792.32

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Solution

The fourth proportional to 74,649.36, 111,427.87 and 65,792.32 is: 98,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,649.36 : 111,427.87 = 65,792.32 : x
  2. Step 2: Convert to fraction form
    74,649.36/111,427.87 = 65,792.32/x
  3. Step 3: Cross multiply
    74,649.36x = 111,427.87 × 65,792.32
  4. Step 4: Simplify right side
    74,649.36x = 7,331,098,079.96
  5. Step 5: Solve for x
    x = 7,331,098,079.96/74,649.36
  6. Step 6: Final answer
    x = 98,207.11

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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.