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Finding the Fourth Proportional to 85,804.65, 118,279.16 and 60,239.29

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Solution

The fourth proportional to 85,804.65, 118,279.16 and 60,239.29 is: 83,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,804.65 : 118,279.16 = 60,239.29 : x
  2. Step 2: Convert to fraction form
    85,804.65/118,279.16 = 60,239.29/x
  3. Step 3: Cross multiply
    85,804.65x = 118,279.16 × 60,239.29
  4. Step 4: Simplify right side
    85,804.65x = 7,125,052,620.20
  5. Step 5: Solve for x
    x = 7,125,052,620.20/85,804.65
  6. Step 6: Final answer
    x = 83,038.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.