Home / 98,878.02-136,451.33-53,555.88

Finding the Fourth Proportional to 98,878.02, 136,451.33 and 53,555.88

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Solution

The fourth proportional to 98,878.02, 136,451.33 and 53,555.88 is: 73,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,878.02 : 136,451.33 = 53,555.88 : x
  2. Step 2: Convert to fraction form
    98,878.02/136,451.33 = 53,555.88/x
  3. Step 3: Cross multiply
    98,878.02x = 136,451.33 × 53,555.88
  4. Step 4: Simplify right side
    98,878.02x = 7,307,771,801.32
  5. Step 5: Solve for x
    x = 7,307,771,801.32/98,878.02
  6. Step 6: Final answer
    x = 73,906.94

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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.