Home / 51,162.43-70,603.19-28,503.29

Finding the Fourth Proportional to 51,162.43, 70,603.19 and 28,503.29

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Solution

The fourth proportional to 51,162.43, 70,603.19 and 28,503.29 is: 39,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,162.43 : 70,603.19 = 28,503.29 : x
  2. Step 2: Convert to fraction form
    51,162.43/70,603.19 = 28,503.29/x
  3. Step 3: Cross multiply
    51,162.43x = 70,603.19 × 28,503.29
  4. Step 4: Simplify right side
    51,162.43x = 2,012,423,199.50
  5. Step 5: Solve for x
    x = 2,012,423,199.50/51,162.43
  6. Step 6: Final answer
    x = 39,334.00

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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.