Home / 75,970.08-113,920.47-31,570.38

Finding the Fourth Proportional to 75,970.08, 113,920.47 and 31,570.38

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Solution

The fourth proportional to 75,970.08, 113,920.47 and 31,570.38 is: 47,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,970.08 : 113,920.47 = 31,570.38 : x
  2. Step 2: Convert to fraction form
    75,970.08/113,920.47 = 31,570.38/x
  3. Step 3: Cross multiply
    75,970.08x = 113,920.47 × 31,570.38
  4. Step 4: Simplify right side
    75,970.08x = 3,596,512,527.68
  5. Step 5: Solve for x
    x = 3,596,512,527.68/75,970.08
  6. Step 6: Final answer
    x = 47,341.17

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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.