Home / 75,430.58-113,158.08-25,513.65

Finding the Fourth Proportional to 75,430.58, 113,158.08 and 25,513.65

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Solution

The fourth proportional to 75,430.58, 113,158.08 and 25,513.65 is: 38,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,430.58 : 113,158.08 = 25,513.65 : x
  2. Step 2: Convert to fraction form
    75,430.58/113,158.08 = 25,513.65/x
  3. Step 3: Cross multiply
    75,430.58x = 113,158.08 × 25,513.65
  4. Step 4: Simplify right side
    75,430.58x = 2,887,075,647.79
  5. Step 5: Solve for x
    x = 2,887,075,647.79/75,430.58
  6. Step 6: Final answer
    x = 38,274.61

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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.