Home / 85,085.97-117,421.45-46,848.32

Finding the Fourth Proportional to 85,085.97, 117,421.45 and 46,848.32

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Solution

The fourth proportional to 85,085.97, 117,421.45 and 46,848.32 is: 64,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,085.97 : 117,421.45 = 46,848.32 : x
  2. Step 2: Convert to fraction form
    85,085.97/117,421.45 = 46,848.32/x
  3. Step 3: Cross multiply
    85,085.97x = 117,421.45 × 46,848.32
  4. Step 4: Simplify right side
    85,085.97x = 5,500,998,061.06
  5. Step 5: Solve for x
    x = 5,500,998,061.06/85,085.97
  6. Step 6: Final answer
    x = 64,652.23

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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.