Home / 86,146.07-118,892.27-48,420.32

Finding the Fourth Proportional to 86,146.07, 118,892.27 and 48,420.32

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Solution

The fourth proportional to 86,146.07, 118,892.27 and 48,420.32 is: 66,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,146.07 : 118,892.27 = 48,420.32 : x
  2. Step 2: Convert to fraction form
    86,146.07/118,892.27 = 48,420.32/x
  3. Step 3: Cross multiply
    86,146.07x = 118,892.27 × 48,420.32
  4. Step 4: Simplify right side
    86,146.07x = 5,756,801,814.06
  5. Step 5: Solve for x
    x = 5,756,801,814.06/86,146.07
  6. Step 6: Final answer
    x = 66,826.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.