Home / 85,303.23-117,584.51-58,399.08

Finding the Fourth Proportional to 85,303.23, 117,584.51 and 58,399.08

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Solution

The fourth proportional to 85,303.23, 117,584.51 and 58,399.08 is: 80,499.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,303.23 : 117,584.51 = 58,399.08 : x
  2. Step 2: Convert to fraction form
    85,303.23/117,584.51 = 58,399.08/x
  3. Step 3: Cross multiply
    85,303.23x = 117,584.51 × 58,399.08
  4. Step 4: Simplify right side
    85,303.23x = 6,866,826,914.26
  5. Step 5: Solve for x
    x = 6,866,826,914.26/85,303.23
  6. Step 6: Final answer
    x = 80,499.03

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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.