Home / 88,261.49-121,802.07-47,975.22

Finding the Fourth Proportional to 88,261.49, 121,802.07 and 47,975.22

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Solution

The fourth proportional to 88,261.49, 121,802.07 and 47,975.22 is: 66,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,261.49 : 121,802.07 = 47,975.22 : x
  2. Step 2: Convert to fraction form
    88,261.49/121,802.07 = 47,975.22/x
  3. Step 3: Cross multiply
    88,261.49x = 121,802.07 × 47,975.22
  4. Step 4: Simplify right side
    88,261.49x = 5,843,481,104.71
  5. Step 5: Solve for x
    x = 5,843,481,104.71/88,261.49
  6. Step 6: Final answer
    x = 66,206.47

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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.