Home / 84,915.06-117,152.90-50,934.54

Finding the Fourth Proportional to 84,915.06, 117,152.90 and 50,934.54

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Solution

The fourth proportional to 84,915.06, 117,152.90 and 50,934.54 is: 70,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,915.06 : 117,152.90 = 50,934.54 : x
  2. Step 2: Convert to fraction form
    84,915.06/117,152.90 = 50,934.54/x
  3. Step 3: Cross multiply
    84,915.06x = 117,152.90 × 50,934.54
  4. Step 4: Simplify right side
    84,915.06x = 5,967,129,071.17
  5. Step 5: Solve for x
    x = 5,967,129,071.17/84,915.06
  6. Step 6: Final answer
    x = 70,271.74

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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.