Home / 85,064.69-127,449.09-59,710.38

Finding the Fourth Proportional to 85,064.69, 127,449.09 and 59,710.38

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Solution

The fourth proportional to 85,064.69, 127,449.09 and 59,710.38 is: 89,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,064.69 : 127,449.09 = 59,710.38 : x
  2. Step 2: Convert to fraction form
    85,064.69/127,449.09 = 59,710.38/x
  3. Step 3: Cross multiply
    85,064.69x = 127,449.09 × 59,710.38
  4. Step 4: Simplify right side
    85,064.69x = 7,610,033,594.55
  5. Step 5: Solve for x
    x = 7,610,033,594.55/85,064.69
  6. Step 6: Final answer
    x = 89,461.73

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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.