Home / 86,866.17-119,875.55-47,122.17

Finding the Fourth Proportional to 86,866.17, 119,875.55 and 47,122.17

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Solution

The fourth proportional to 86,866.17, 119,875.55 and 47,122.17 is: 65,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,866.17 : 119,875.55 = 47,122.17 : x
  2. Step 2: Convert to fraction form
    86,866.17/119,875.55 = 47,122.17/x
  3. Step 3: Cross multiply
    86,866.17x = 119,875.55 × 47,122.17
  4. Step 4: Simplify right side
    86,866.17x = 5,648,795,810.33
  5. Step 5: Solve for x
    x = 5,648,795,810.33/86,866.17
  6. Step 6: Final answer
    x = 65,028.72

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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.