Home / 86,256.27-129,396.56-30,088.19

Finding the Fourth Proportional to 86,256.27, 129,396.56 and 30,088.19

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Solution

The fourth proportional to 86,256.27, 129,396.56 and 30,088.19 is: 45,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,256.27 : 129,396.56 = 30,088.19 : x
  2. Step 2: Convert to fraction form
    86,256.27/129,396.56 = 30,088.19/x
  3. Step 3: Cross multiply
    86,256.27x = 129,396.56 × 30,088.19
  4. Step 4: Simplify right side
    86,256.27x = 3,893,307,727.82
  5. Step 5: Solve for x
    x = 3,893,307,727.82/86,256.27
  6. Step 6: Final answer
    x = 45,136.52

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1.5x scale

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.