Home / 88,199.98-121,718.16-47,913.73

Finding the Fourth Proportional to 88,199.98, 121,718.16 and 47,913.73

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Solution

The fourth proportional to 88,199.98, 121,718.16 and 47,913.73 is: 66,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,199.98 : 121,718.16 = 47,913.73 : x
  2. Step 2: Convert to fraction form
    88,199.98/121,718.16 = 47,913.73/x
  3. Step 3: Cross multiply
    88,199.98x = 121,718.16 × 47,913.73
  4. Step 4: Simplify right side
    88,199.98x = 5,831,971,054.34
  5. Step 5: Solve for x
    x = 5,831,971,054.34/88,199.98
  6. Step 6: Final answer
    x = 66,122.14

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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.