Home / 86,152.71-129,214.47-23,808.63

Finding the Fourth Proportional to 86,152.71, 129,214.47 and 23,808.63

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Solution

The fourth proportional to 86,152.71, 129,214.47 and 23,808.63 is: 35,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152.71 : 129,214.47 = 23,808.63 : x
  2. Step 2: Convert to fraction form
    86,152.71/129,214.47 = 23,808.63/x
  3. Step 3: Cross multiply
    86,152.71x = 129,214.47 × 23,808.63
  4. Step 4: Simplify right side
    86,152.71x = 3,076,419,506.88
  5. Step 5: Solve for x
    x = 3,076,419,506.88/86,152.71
  6. Step 6: Final answer
    x = 35,708.91

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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.