Home / 91,191.08-136,534.71-46,722.08

Finding the Fourth Proportional to 91,191.08, 136,534.71 and 46,722.08

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Solution

The fourth proportional to 91,191.08, 136,534.71 and 46,722.08 is: 69,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,191.08 : 136,534.71 = 46,722.08 : x
  2. Step 2: Convert to fraction form
    91,191.08/136,534.71 = 46,722.08/x
  3. Step 3: Cross multiply
    91,191.08x = 136,534.71 × 46,722.08
  4. Step 4: Simplify right side
    91,191.08x = 6,379,185,643.40
  5. Step 5: Solve for x
    x = 6,379,185,643.40/91,191.08
  6. Step 6: Final answer
    x = 69,954.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.