Home / 86,899.29-130,398.25-46,917.74

Finding the Fourth Proportional to 86,899.29, 130,398.25 and 46,917.74

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Solution

The fourth proportional to 86,899.29, 130,398.25 and 46,917.74 is: 70,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,899.29 : 130,398.25 = 46,917.74 : x
  2. Step 2: Convert to fraction form
    86,899.29/130,398.25 = 46,917.74/x
  3. Step 3: Cross multiply
    86,899.29x = 130,398.25 × 46,917.74
  4. Step 4: Simplify right side
    86,899.29x = 6,117,991,486.63
  5. Step 5: Solve for x
    x = 6,117,991,486.63/86,899.29
  6. Step 6: Final answer
    x = 70,403.24

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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.