Home / 91,572.04-137,409.09-49,451.23

Finding the Fourth Proportional to 91,572.04, 137,409.09 and 49,451.23

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Solution

The fourth proportional to 91,572.04, 137,409.09 and 49,451.23 is: 74,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,572.04 : 137,409.09 = 49,451.23 : x
  2. Step 2: Convert to fraction form
    91,572.04/137,409.09 = 49,451.23/x
  3. Step 3: Cross multiply
    91,572.04x = 137,409.09 × 49,451.23
  4. Step 4: Simplify right side
    91,572.04x = 6,795,048,513.68
  5. Step 5: Solve for x
    x = 6,795,048,513.68/91,572.04
  6. Step 6: Final answer
    x = 74,204.40

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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.