Home / 88,085.58-121,557.30-47,799.16

Finding the Fourth Proportional to 88,085.58, 121,557.30 and 47,799.16

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Solution

The fourth proportional to 88,085.58, 121,557.30 and 47,799.16 is: 65,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,085.58 : 121,557.30 = 47,799.16 : x
  2. Step 2: Convert to fraction form
    88,085.58/121,557.30 = 47,799.16/x
  3. Step 3: Cross multiply
    88,085.58x = 121,557.30 × 47,799.16
  4. Step 4: Simplify right side
    88,085.58x = 5,810,336,831.87
  5. Step 5: Solve for x
    x = 5,810,336,831.87/88,085.58
  6. Step 6: Final answer
    x = 65,962.41

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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.