Home / 74,651.36-111,430.85-65,794.32

Finding the Fourth Proportional to 74,651.36, 111,430.85 and 65,794.32

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Solution

The fourth proportional to 74,651.36, 111,430.85 and 65,794.32 is: 98,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,651.36 : 111,430.85 = 65,794.32 : x
  2. Step 2: Convert to fraction form
    74,651.36/111,430.85 = 65,794.32/x
  3. Step 3: Cross multiply
    74,651.36x = 111,430.85 × 65,794.32
  4. Step 4: Simplify right side
    74,651.36x = 7,331,517,002.77
  5. Step 5: Solve for x
    x = 7,331,517,002.77/74,651.36
  6. Step 6: Final answer
    x = 98,210.09

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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.