Home / 35,130.49-52,688.19-11,116.70

Finding the Fourth Proportional to 35,130.49, 52,688.19 and 11,116.70

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Solution

The fourth proportional to 35,130.49, 52,688.19 and 11,116.70 is: 16,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.49 : 52,688.19 = 11,116.70 : x
  2. Step 2: Convert to fraction form
    35,130.49/52,688.19 = 11,116.70/x
  3. Step 3: Cross multiply
    35,130.49x = 52,688.19 × 11,116.70
  4. Step 4: Simplify right side
    35,130.49x = 585,718,715.07
  5. Step 5: Solve for x
    x = 585,718,715.07/35,130.49
  6. Step 6: Final answer
    x = 16,672.66

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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.