Home / 86,509.10-129,770.44-23,328.27

Finding the Fourth Proportional to 86,509.10, 129,770.44 and 23,328.27

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Solution

The fourth proportional to 86,509.10, 129,770.44 and 23,328.27 is: 34,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,509.10 : 129,770.44 = 23,328.27 : x
  2. Step 2: Convert to fraction form
    86,509.10/129,770.44 = 23,328.27/x
  3. Step 3: Cross multiply
    86,509.10x = 129,770.44 × 23,328.27
  4. Step 4: Simplify right side
    86,509.10x = 3,027,319,804.02
  5. Step 5: Solve for x
    x = 3,027,319,804.02/86,509.10
  6. Step 6: Final answer
    x = 34,994.24

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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.