Home / 85,254.36-117,646.74-47,521.32

Finding the Fourth Proportional to 85,254.36, 117,646.74 and 47,521.32

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Solution

The fourth proportional to 85,254.36, 117,646.74 and 47,521.32 is: 65,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,254.36 : 117,646.74 = 47,521.32 : x
  2. Step 2: Convert to fraction form
    85,254.36/117,646.74 = 47,521.32/x
  3. Step 3: Cross multiply
    85,254.36x = 117,646.74 × 47,521.32
  4. Step 4: Simplify right side
    85,254.36x = 5,590,728,378.50
  5. Step 5: Solve for x
    x = 5,590,728,378.50/85,254.36
  6. Step 6: Final answer
    x = 65,577.04

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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.