Home / 70,328.16-105,458.22-25,975.80

Finding the Fourth Proportional to 70,328.16, 105,458.22 and 25,975.80

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Solution

The fourth proportional to 70,328.16, 105,458.22 and 25,975.80 is: 38,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,328.16 : 105,458.22 = 25,975.80 : x
  2. Step 2: Convert to fraction form
    70,328.16/105,458.22 = 25,975.80/x
  3. Step 3: Cross multiply
    70,328.16x = 105,458.22 × 25,975.80
  4. Step 4: Simplify right side
    70,328.16x = 2,739,361,631.08
  5. Step 5: Solve for x
    x = 2,739,361,631.08/70,328.16
  6. Step 6: Final answer
    x = 38,951.13

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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.