Home / 86,068.08-128,985.36-41,606.28

Finding the Fourth Proportional to 86,068.08, 128,985.36 and 41,606.28

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Solution

The fourth proportional to 86,068.08, 128,985.36 and 41,606.28 is: 62,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,068.08 : 128,985.36 = 41,606.28 : x
  2. Step 2: Convert to fraction form
    86,068.08/128,985.36 = 41,606.28/x
  3. Step 3: Cross multiply
    86,068.08x = 128,985.36 × 41,606.28
  4. Step 4: Simplify right side
    86,068.08x = 5,366,601,004.06
  5. Step 5: Solve for x
    x = 5,366,601,004.06/86,068.08
  6. Step 6: Final answer
    x = 62,352.98

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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.