Home / 88,095.39-121,571.72-47,809.16

Finding the Fourth Proportional to 88,095.39, 121,571.72 and 47,809.16

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Solution

The fourth proportional to 88,095.39, 121,571.72 and 47,809.16 is: 65,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,095.39 : 121,571.72 = 47,809.16 : x
  2. Step 2: Convert to fraction form
    88,095.39/121,571.72 = 47,809.16/x
  3. Step 3: Cross multiply
    88,095.39x = 121,571.72 × 47,809.16
  4. Step 4: Simplify right side
    88,095.39x = 5,812,242,236.41
  5. Step 5: Solve for x
    x = 5,812,242,236.41/88,095.39
  6. Step 6: Final answer
    x = 65,976.69

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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.