Home / 72,378.50-108,626.08-37,328.18

Finding the Fourth Proportional to 72,378.50, 108,626.08 and 37,328.18

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Solution

The fourth proportional to 72,378.50, 108,626.08 and 37,328.18 is: 56,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,378.50 : 108,626.08 = 37,328.18 : x
  2. Step 2: Convert to fraction form
    72,378.50/108,626.08 = 37,328.18/x
  3. Step 3: Cross multiply
    72,378.50x = 108,626.08 × 37,328.18
  4. Step 4: Simplify right side
    72,378.50x = 4,054,813,866.93
  5. Step 5: Solve for x
    x = 4,054,813,866.93/72,378.50
  6. Step 6: Final answer
    x = 56,022.35

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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.