Home / 84,897.37-117,151.51-49,089.70

Finding the Fourth Proportional to 84,897.37, 117,151.51 and 49,089.70

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Solution

The fourth proportional to 84,897.37, 117,151.51 and 49,089.70 is: 67,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,897.37 : 117,151.51 = 49,089.70 : x
  2. Step 2: Convert to fraction form
    84,897.37/117,151.51 = 49,089.70/x
  3. Step 3: Cross multiply
    84,897.37x = 117,151.51 × 49,089.70
  4. Step 4: Simplify right side
    84,897.37x = 5,750,931,649.24
  5. Step 5: Solve for x
    x = 5,750,931,649.24/84,897.37
  6. Step 6: Final answer
    x = 67,739.81

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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.