Home / 78,007.56-116,937.54-48,040.23

Finding the Fourth Proportional to 78,007.56, 116,937.54 and 48,040.23

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Solution

The fourth proportional to 78,007.56, 116,937.54 and 48,040.23 is: 72,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,007.56 : 116,937.54 = 48,040.23 : x
  2. Step 2: Convert to fraction form
    78,007.56/116,937.54 = 48,040.23/x
  3. Step 3: Cross multiply
    78,007.56x = 116,937.54 × 48,040.23
  4. Step 4: Simplify right side
    78,007.56x = 5,617,706,317.23
  5. Step 5: Solve for x
    x = 5,617,706,317.23/78,007.56
  6. Step 6: Final answer
    x = 72,014.90

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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.