Home / 78,019.25-116,958.62-28,064.23

Finding the Fourth Proportional to 78,019.25, 116,958.62 and 28,064.23

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Solution

The fourth proportional to 78,019.25, 116,958.62 and 28,064.23 is: 42,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,019.25 : 116,958.62 = 28,064.23 : x
  2. Step 2: Convert to fraction form
    78,019.25/116,958.62 = 28,064.23/x
  3. Step 3: Cross multiply
    78,019.25x = 116,958.62 × 28,064.23
  4. Step 4: Simplify right side
    78,019.25x = 3,282,353,612.16
  5. Step 5: Solve for x
    x = 3,282,353,612.16/78,019.25
  6. Step 6: Final answer
    x = 42,071.07

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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.