Home / 78,025.26-116,967.61-28,070.23

Finding the Fourth Proportional to 78,025.26, 116,967.61 and 28,070.23

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Solution

The fourth proportional to 78,025.26, 116,967.61 and 28,070.23 is: 42,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,025.26 : 116,967.61 = 28,070.23 : x
  2. Step 2: Convert to fraction form
    78,025.26/116,967.61 = 28,070.23/x
  3. Step 3: Cross multiply
    78,025.26x = 116,967.61 × 28,070.23
  4. Step 4: Simplify right side
    78,025.26x = 3,283,307,715.25
  5. Step 5: Solve for x
    x = 3,283,307,715.25/78,025.26
  6. Step 6: Final answer
    x = 42,080.06

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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.