Home / 74,859.35-112,301.99-30,510.23

Finding the Fourth Proportional to 74,859.35, 112,301.99 and 30,510.23

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Solution

The fourth proportional to 74,859.35, 112,301.99 and 30,510.23 is: 45,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,859.35 : 112,301.99 = 30,510.23 : x
  2. Step 2: Convert to fraction form
    74,859.35/112,301.99 = 30,510.23/x
  3. Step 3: Cross multiply
    74,859.35x = 112,301.99 × 30,510.23
  4. Step 4: Simplify right side
    74,859.35x = 3,426,358,830.30
  5. Step 5: Solve for x
    x = 3,426,358,830.30/74,859.35
  6. Step 6: Final answer
    x = 45,770.62

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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.