Home / 98,051.18-135,148.91-69,333.77

Finding the Fourth Proportional to 98,051.18, 135,148.91 and 69,333.77

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Solution

The fourth proportional to 98,051.18, 135,148.91 and 69,333.77 is: 95,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,051.18 : 135,148.91 = 69,333.77 : x
  2. Step 2: Convert to fraction form
    98,051.18/135,148.91 = 69,333.77/x
  3. Step 3: Cross multiply
    98,051.18x = 135,148.91 × 69,333.77
  4. Step 4: Simplify right side
    98,051.18x = 9,370,383,432.89
  5. Step 5: Solve for x
    x = 9,370,383,432.89/98,051.18
  6. Step 6: Final answer
    x = 95,566.25

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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.