Home / 86,948.98-130,412.58-27,779.74

Finding the Fourth Proportional to 86,948.98, 130,412.58 and 27,779.74

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Solution

The fourth proportional to 86,948.98, 130,412.58 and 27,779.74 is: 41,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,948.98 : 130,412.58 = 27,779.74 : x
  2. Step 2: Convert to fraction form
    86,948.98/130,412.58 = 27,779.74/x
  3. Step 3: Cross multiply
    86,948.98x = 130,412.58 × 27,779.74
  4. Step 4: Simplify right side
    86,948.98x = 3,622,827,565.13
  5. Step 5: Solve for x
    x = 3,622,827,565.13/86,948.98
  6. Step 6: Final answer
    x = 41,666.13

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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.