Home / 65,999.49-98,762.73-57,145.35

Finding the Fourth Proportional to 65,999.49, 98,762.73 and 57,145.35

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Solution

The fourth proportional to 65,999.49, 98,762.73 and 57,145.35 is: 85,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,999.49 : 98,762.73 = 57,145.35 : x
  2. Step 2: Convert to fraction form
    65,999.49/98,762.73 = 57,145.35/x
  3. Step 3: Cross multiply
    65,999.49x = 98,762.73 × 57,145.35
  4. Step 4: Simplify right side
    65,999.49x = 5,643,830,928.87
  5. Step 5: Solve for x
    x = 5,643,830,928.87/65,999.49
  6. Step 6: Final answer
    x = 85,513.26

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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.