Home / 98,774.22-136,307.37-53,451.21

Finding the Fourth Proportional to 98,774.22, 136,307.37 and 53,451.21

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Solution

The fourth proportional to 98,774.22, 136,307.37 and 53,451.21 is: 73,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,774.22 : 136,307.37 = 53,451.21 : x
  2. Step 2: Convert to fraction form
    98,774.22/136,307.37 = 53,451.21/x
  3. Step 3: Cross multiply
    98,774.22x = 136,307.37 × 53,451.21
  4. Step 4: Simplify right side
    98,774.22x = 7,285,793,858.42
  5. Step 5: Solve for x
    x = 7,285,793,858.42/98,774.22
  6. Step 6: Final answer
    x = 73,762.10

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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.