Home / 70,360.20-97,097.12-38,529.10

Finding the Fourth Proportional to 70,360.20, 97,097.12 and 38,529.10

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Solution

The fourth proportional to 70,360.20, 97,097.12 and 38,529.10 is: 53,170.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,360.20 : 97,097.12 = 38,529.10 : x
  2. Step 2: Convert to fraction form
    70,360.20/97,097.12 = 38,529.10/x
  3. Step 3: Cross multiply
    70,360.20x = 97,097.12 × 38,529.10
  4. Step 4: Simplify right side
    70,360.20x = 3,741,064,719.40
  5. Step 5: Solve for x
    x = 3,741,064,719.40/70,360.20
  6. Step 6: Final answer
    x = 53,170.18

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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.