Home / 86,502.10-129,741.98-27,343.74

Finding the Fourth Proportional to 86,502.10, 129,741.98 and 27,343.74

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Solution

The fourth proportional to 86,502.10, 129,741.98 and 27,343.74 is: 41,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,502.10 : 129,741.98 = 27,343.74 : x
  2. Step 2: Convert to fraction form
    86,502.10/129,741.98 = 27,343.74/x
  3. Step 3: Cross multiply
    86,502.10x = 129,741.98 × 27,343.74
  4. Step 4: Simplify right side
    86,502.10x = 3,547,630,968.21
  5. Step 5: Solve for x
    x = 3,547,630,968.21/86,502.10
  6. Step 6: Final answer
    x = 41,012.08

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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.