Home / 98,868.49-148,401.16-54,516.13

Finding the Fourth Proportional to 98,868.49, 148,401.16 and 54,516.13

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Solution

The fourth proportional to 98,868.49, 148,401.16 and 54,516.13 is: 81,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,868.49 : 148,401.16 = 54,516.13 : x
  2. Step 2: Convert to fraction form
    98,868.49/148,401.16 = 54,516.13/x
  3. Step 3: Cross multiply
    98,868.49x = 148,401.16 × 54,516.13
  4. Step 4: Simplify right side
    98,868.49x = 8,090,256,423.42
  5. Step 5: Solve for x
    x = 8,090,256,423.42/98,868.49
  6. Step 6: Final answer
    x = 81,828.46

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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.