Home / 105,804.08-158,622.63-52,459.28

Finding the Fourth Proportional to 105,804.08, 158,622.63 and 52,459.28

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Solution

The fourth proportional to 105,804.08, 158,622.63 and 52,459.28 is: 78,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,804.08 : 158,622.63 = 52,459.28 : x
  2. Step 2: Convert to fraction form
    105,804.08/158,622.63 = 52,459.28/x
  3. Step 3: Cross multiply
    105,804.08x = 158,622.63 × 52,459.28
  4. Step 4: Simplify right side
    105,804.08x = 8,321,228,566.51
  5. Step 5: Solve for x
    x = 8,321,228,566.51/105,804.08
  6. Step 6: Final answer
    x = 78,647.52

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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.