Home / 51,448.56-76,710.64-47,055.12

Finding the Fourth Proportional to 51,448.56, 76,710.64 and 47,055.12

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Solution

The fourth proportional to 51,448.56, 76,710.64 and 47,055.12 is: 70,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,448.56 : 76,710.64 = 47,055.12 : x
  2. Step 2: Convert to fraction form
    51,448.56/76,710.64 = 47,055.12/x
  3. Step 3: Cross multiply
    51,448.56x = 76,710.64 × 47,055.12
  4. Step 4: Simplify right side
    51,448.56x = 3,609,628,370.48
  5. Step 5: Solve for x
    x = 3,609,628,370.48/51,448.56
  6. Step 6: Final answer
    x = 70,159.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.