Home / 57,561.50-86,338.29-35,378.30

Finding the Fourth Proportional to 57,561.50, 86,338.29 and 35,378.30

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Solution

The fourth proportional to 57,561.50, 86,338.29 and 35,378.30 is: 53,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,561.50 : 86,338.29 = 35,378.30 : x
  2. Step 2: Convert to fraction form
    57,561.50/86,338.29 = 35,378.30/x
  3. Step 3: Cross multiply
    57,561.50x = 86,338.29 × 35,378.30
  4. Step 4: Simplify right side
    57,561.50x = 3,054,501,925.11
  5. Step 5: Solve for x
    x = 3,054,501,925.11/57,561.50
  6. Step 6: Final answer
    x = 53,065.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.