Home / 117,541.80-162,210.96-63,830.07

Finding the Fourth Proportional to 117,541.80, 162,210.96 and 63,830.07

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Solution

The fourth proportional to 117,541.80, 162,210.96 and 63,830.07 is: 88,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,541.80 : 162,210.96 = 63,830.07 : x
  2. Step 2: Convert to fraction form
    117,541.80/162,210.96 = 63,830.07/x
  3. Step 3: Cross multiply
    117,541.80x = 162,210.96 × 63,830.07
  4. Step 4: Simplify right side
    117,541.80x = 10,353,936,931.57
  5. Step 5: Solve for x
    x = 10,353,936,931.57/117,541.80
  6. Step 6: Final answer
    x = 88,087.28

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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.