Home / 118,015.95-162,862.74-70,271.31

Finding the Fourth Proportional to 118,015.95, 162,862.74 and 70,271.31

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Solution

The fourth proportional to 118,015.95, 162,862.74 and 70,271.31 is: 96,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,015.95 : 162,862.74 = 70,271.31 : x
  2. Step 2: Convert to fraction form
    118,015.95/162,862.74 = 70,271.31/x
  3. Step 3: Cross multiply
    118,015.95x = 162,862.74 × 70,271.31
  4. Step 4: Simplify right side
    118,015.95x = 11,444,578,089.99
  5. Step 5: Solve for x
    x = 11,444,578,089.99/118,015.95
  6. Step 6: Final answer
    x = 96,974.84

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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.