Home / 84,915.02-117,152.85-50,934.51

Finding the Fourth Proportional to 84,915.02, 117,152.85 and 50,934.51

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Solution

The fourth proportional to 84,915.02, 117,152.85 and 50,934.51 is: 70,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,915.02 : 117,152.85 = 50,934.51 : x
  2. Step 2: Convert to fraction form
    84,915.02/117,152.85 = 50,934.51/x
  3. Step 3: Cross multiply
    84,915.02x = 117,152.85 × 50,934.51
  4. Step 4: Simplify right side
    84,915.02x = 5,967,123,009.85
  5. Step 5: Solve for x
    x = 5,967,123,009.85/84,915.02
  6. Step 6: Final answer
    x = 70,271.70

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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.