Home / 86,296.02-129,458.79-39,552.90

Finding the Fourth Proportional to 86,296.02, 129,458.79 and 39,552.90

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Solution

The fourth proportional to 86,296.02, 129,458.79 and 39,552.90 is: 59,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,296.02 : 129,458.79 = 39,552.90 : x
  2. Step 2: Convert to fraction form
    86,296.02/129,458.79 = 39,552.90/x
  3. Step 3: Cross multiply
    86,296.02x = 129,458.79 × 39,552.90
  4. Step 4: Simplify right side
    86,296.02x = 5,120,470,574.99
  5. Step 5: Solve for x
    x = 5,120,470,574.99/86,296.02
  6. Step 6: Final answer
    x = 59,336.12

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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.