Home / 85,065.69-127,450.59-59,711.38

Finding the Fourth Proportional to 85,065.69, 127,450.59 and 59,711.38

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Solution

The fourth proportional to 85,065.69, 127,450.59 and 59,711.38 is: 89,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,065.69 : 127,450.59 = 59,711.38 : x
  2. Step 2: Convert to fraction form
    85,065.69/127,450.59 = 59,711.38/x
  3. Step 3: Cross multiply
    85,065.69x = 127,450.59 × 59,711.38
  4. Step 4: Simplify right side
    85,065.69x = 7,610,250,610.71
  5. Step 5: Solve for x
    x = 7,610,250,610.71/85,065.69
  6. Step 6: Final answer
    x = 89,463.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.