Home / 64,518.51-96,730.57-43,406.06

Finding the Fourth Proportional to 64,518.51, 96,730.57 and 43,406.06

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Solution

The fourth proportional to 64,518.51, 96,730.57 and 43,406.06 is: 65,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,518.51 : 96,730.57 = 43,406.06 : x
  2. Step 2: Convert to fraction form
    64,518.51/96,730.57 = 43,406.06/x
  3. Step 3: Cross multiply
    64,518.51x = 96,730.57 × 43,406.06
  4. Step 4: Simplify right side
    64,518.51x = 4,198,692,925.25
  5. Step 5: Solve for x
    x = 4,198,692,925.25/64,518.51
  6. Step 6: Final answer
    x = 65,077.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.