Home / 85,089.46-117,459.75-60,576.07

Finding the Fourth Proportional to 85,089.46, 117,459.75 and 60,576.07

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Solution

The fourth proportional to 85,089.46, 117,459.75 and 60,576.07 is: 83,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,089.46 : 117,459.75 = 60,576.07 : x
  2. Step 2: Convert to fraction form
    85,089.46/117,459.75 = 60,576.07/x
  3. Step 3: Cross multiply
    85,089.46x = 117,459.75 × 60,576.07
  4. Step 4: Simplify right side
    85,089.46x = 7,115,249,971.69
  5. Step 5: Solve for x
    x = 7,115,249,971.69/85,089.46
  6. Step 6: Final answer
    x = 83,620.82

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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.