Home / 86,899.52-130,398.54-46,917.96

Finding the Fourth Proportional to 86,899.52, 130,398.54 and 46,917.96

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Solution

The fourth proportional to 86,899.52, 130,398.54 and 46,917.96 is: 70,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,899.52 : 130,398.54 = 46,917.96 : x
  2. Step 2: Convert to fraction form
    86,899.52/130,398.54 = 46,917.96/x
  3. Step 3: Cross multiply
    86,899.52x = 130,398.54 × 46,917.96
  4. Step 4: Simplify right side
    86,899.52x = 6,118,033,483.78
  5. Step 5: Solve for x
    x = 6,118,033,483.78/86,899.52
  6. Step 6: Final answer
    x = 70,403.54

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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.