Home / 85,200.64-117,575.30-46,438.79

Finding the Fourth Proportional to 85,200.64, 117,575.30 and 46,438.79

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Solution

The fourth proportional to 85,200.64, 117,575.30 and 46,438.79 is: 64,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,200.64 : 117,575.30 = 46,438.79 : x
  2. Step 2: Convert to fraction form
    85,200.64/117,575.30 = 46,438.79/x
  3. Step 3: Cross multiply
    85,200.64x = 117,575.30 × 46,438.79
  4. Step 4: Simplify right side
    85,200.64x = 5,460,055,075.92
  5. Step 5: Solve for x
    x = 5,460,055,075.92/85,200.64
  6. Step 6: Final answer
    x = 64,084.68

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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.