Home / 116,009.56-160,078.95-70,671.09

Finding the Fourth Proportional to 116,009.56, 160,078.95 and 70,671.09

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Solution

The fourth proportional to 116,009.56, 160,078.95 and 70,671.09 is: 97,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,009.56 : 160,078.95 = 70,671.09 : x
  2. Step 2: Convert to fraction form
    116,009.56/160,078.95 = 70,671.09/x
  3. Step 3: Cross multiply
    116,009.56x = 160,078.95 × 70,671.09
  4. Step 4: Simplify right side
    116,009.56x = 11,312,954,482.85
  5. Step 5: Solve for x
    x = 11,312,954,482.85/116,009.56
  6. Step 6: Final answer
    x = 97,517.43

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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.