Home / 117,999.47-162,838.62-64,284.35

Finding the Fourth Proportional to 117,999.47, 162,838.62 and 64,284.35

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Solution

The fourth proportional to 117,999.47, 162,838.62 and 64,284.35 is: 88,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,999.47 : 162,838.62 = 64,284.35 : x
  2. Step 2: Convert to fraction form
    117,999.47/162,838.62 = 64,284.35/x
  3. Step 3: Cross multiply
    117,999.47x = 162,838.62 × 64,284.35
  4. Step 4: Simplify right side
    117,999.47x = 10,467,974,841.60
  5. Step 5: Solve for x
    x = 10,467,974,841.60/117,999.47
  6. Step 6: Final answer
    x = 88,712.05

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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.