Home / 118,788.02-163,927.48-65,074.96

Finding the Fourth Proportional to 118,788.02, 163,927.48 and 65,074.96

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Solution

The fourth proportional to 118,788.02, 163,927.48 and 65,074.96 is: 89,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,788.02 : 163,927.48 = 65,074.96 : x
  2. Step 2: Convert to fraction form
    118,788.02/163,927.48 = 65,074.96/x
  3. Step 3: Cross multiply
    118,788.02x = 163,927.48 × 65,074.96
  4. Step 4: Simplify right side
    118,788.02x = 10,667,574,203.90
  5. Step 5: Solve for x
    x = 10,667,574,203.90/118,788.02
  6. Step 6: Final answer
    x = 89,803.45

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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.