Home / 75,675.60-114,080.14-70,601.04

Finding the Fourth Proportional to 75,675.60, 114,080.14 and 70,601.04

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Solution

The fourth proportional to 75,675.60, 114,080.14 and 70,601.04 is: 106,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,675.60 : 114,080.14 = 70,601.04 : x
  2. Step 2: Convert to fraction form
    75,675.60/114,080.14 = 70,601.04/x
  3. Step 3: Cross multiply
    75,675.60x = 114,080.14 × 70,601.04
  4. Step 4: Simplify right side
    75,675.60x = 8,054,176,527.35
  5. Step 5: Solve for x
    x = 8,054,176,527.35/75,675.60
  6. Step 6: Final answer
    x = 106,430.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.