Home / 98,706.26-136,214.25-53,384.30

Finding the Fourth Proportional to 98,706.26, 136,214.25 and 53,384.30

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Solution

The fourth proportional to 98,706.26, 136,214.25 and 53,384.30 is: 73,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,706.26 : 136,214.25 = 53,384.30 : x
  2. Step 2: Convert to fraction form
    98,706.26/136,214.25 = 53,384.30/x
  3. Step 3: Cross multiply
    98,706.26x = 136,214.25 × 53,384.30
  4. Step 4: Simplify right side
    98,706.26x = 7,271,702,386.28
  5. Step 5: Solve for x
    x = 7,271,702,386.28/98,706.26
  6. Step 6: Final answer
    x = 73,670.12

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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.