Home / 98,706.07-136,213.99-53,384.11

Finding the Fourth Proportional to 98,706.07, 136,213.99 and 53,384.11

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Solution

The fourth proportional to 98,706.07, 136,213.99 and 53,384.11 is: 73,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,706.07 : 136,213.99 = 53,384.11 : x
  2. Step 2: Convert to fraction form
    98,706.07/136,213.99 = 53,384.11/x
  3. Step 3: Cross multiply
    98,706.07x = 136,213.99 × 53,384.11
  4. Step 4: Simplify right side
    98,706.07x = 7,271,661,677.71
  5. Step 5: Solve for x
    x = 7,271,661,677.71/98,706.07
  6. Step 6: Final answer
    x = 73,669.85

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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.