Home / 78,059.24-117,088.68-60,315.69

Finding the Fourth Proportional to 78,059.24, 117,088.68 and 60,315.69

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Solution

The fourth proportional to 78,059.24, 117,088.68 and 60,315.69 is: 90,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,059.24 : 117,088.68 = 60,315.69 : x
  2. Step 2: Convert to fraction form
    78,059.24/117,088.68 = 60,315.69/x
  3. Step 3: Cross multiply
    78,059.24x = 117,088.68 × 60,315.69
  4. Step 4: Simplify right side
    78,059.24x = 7,062,284,525.39
  5. Step 5: Solve for x
    x = 7,062,284,525.39/78,059.24
  6. Step 6: Final answer
    x = 90,473.40

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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.