Home / 107,688.48-148,576.59-61,113.66

Finding the Fourth Proportional to 107,688.48, 148,576.59 and 61,113.66

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Solution

The fourth proportional to 107,688.48, 148,576.59 and 61,113.66 is: 84,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,688.48 : 148,576.59 = 61,113.66 : x
  2. Step 2: Convert to fraction form
    107,688.48/148,576.59 = 61,113.66/x
  3. Step 3: Cross multiply
    107,688.48x = 148,576.59 × 61,113.66
  4. Step 4: Simplify right side
    107,688.48x = 9,080,059,205.22
  5. Step 5: Solve for x
    x = 9,080,059,205.22/107,688.48
  6. Step 6: Final answer
    x = 84,317.83

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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.