Home / 117,447.04-162,024-69,702.40

Finding the Fourth Proportional to 117,447.04, 162,024 and 69,702.40

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Solution

The fourth proportional to 117,447.04, 162,024 and 69,702.40 is: 96,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,447.04 : 162,024 = 69,702.40 : x
  2. Step 2: Convert to fraction form
    117,447.04/162,024 = 69,702.40/x
  3. Step 3: Cross multiply
    117,447.04x = 162,024 × 69,702.40
  4. Step 4: Simplify right side
    117,447.04x = 11,293,461,657.60
  5. Step 5: Solve for x
    x = 11,293,461,657.60/117,447.04
  6. Step 6: Final answer
    x = 96,157.91

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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.