Home / 98,830.63-136,384.61-53,508.25

Finding the Fourth Proportional to 98,830.63, 136,384.61 and 53,508.25

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Solution

The fourth proportional to 98,830.63, 136,384.61 and 53,508.25 is: 73,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,830.63 : 136,384.61 = 53,508.25 : x
  2. Step 2: Convert to fraction form
    98,830.63/136,384.61 = 53,508.25/x
  3. Step 3: Cross multiply
    98,830.63x = 136,384.61 × 53,508.25
  4. Step 4: Simplify right side
    98,830.63x = 7,297,701,244.79
  5. Step 5: Solve for x
    x = 7,297,701,244.79/98,830.63
  6. Step 6: Final answer
    x = 73,840.48

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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.