Home / 78,316.05-108,049.85-50,038.29

Finding the Fourth Proportional to 78,316.05, 108,049.85 and 50,038.29

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Solution

The fourth proportional to 78,316.05, 108,049.85 and 50,038.29 is: 69,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,316.05 : 108,049.85 = 50,038.29 : x
  2. Step 2: Convert to fraction form
    78,316.05/108,049.85 = 50,038.29/x
  3. Step 3: Cross multiply
    78,316.05x = 108,049.85 × 50,038.29
  4. Step 4: Simplify right side
    78,316.05x = 5,406,629,478.57
  5. Step 5: Solve for x
    x = 5,406,629,478.57/78,316.05
  6. Step 6: Final answer
    x = 69,036.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.