Home / 86,899.98-130,399.29-46,918.43

Finding the Fourth Proportional to 86,899.98, 130,399.29 and 46,918.43

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Solution

The fourth proportional to 86,899.98, 130,399.29 and 46,918.43 is: 70,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,899.98 : 130,399.29 = 46,918.43 : x
  2. Step 2: Convert to fraction form
    86,899.98/130,399.29 = 46,918.43/x
  3. Step 3: Cross multiply
    86,899.98x = 130,399.29 × 46,918.43
  4. Step 4: Simplify right side
    86,899.98x = 6,118,129,725.32
  5. Step 5: Solve for x
    x = 6,118,129,725.32/86,899.98
  6. Step 6: Final answer
    x = 70,404.27

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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.