Home / 86,656.29-129,984.63-23,476.80

Finding the Fourth Proportional to 86,656.29, 129,984.63 and 23,476.80

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Solution

The fourth proportional to 86,656.29, 129,984.63 and 23,476.80 is: 35,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,656.29 : 129,984.63 = 23,476.80 : x
  2. Step 2: Convert to fraction form
    86,656.29/129,984.63 = 23,476.80/x
  3. Step 3: Cross multiply
    86,656.29x = 129,984.63 × 23,476.80
  4. Step 4: Simplify right side
    86,656.29x = 3,051,623,161.58
  5. Step 5: Solve for x
    x = 3,051,623,161.58/86,656.29
  6. Step 6: Final answer
    x = 35,215.25

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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.