Home / 91,211.46-125,870.60-50,925.84

Finding the Fourth Proportional to 91,211.46, 125,870.60 and 50,925.84

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Solution

The fourth proportional to 91,211.46, 125,870.60 and 50,925.84 is: 70,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,211.46 : 125,870.60 = 50,925.84 : x
  2. Step 2: Convert to fraction form
    91,211.46/125,870.60 = 50,925.84/x
  3. Step 3: Cross multiply
    91,211.46x = 125,870.60 × 50,925.84
  4. Step 4: Simplify right side
    91,211.46x = 6,410,066,253.69
  5. Step 5: Solve for x
    x = 6,410,066,253.69/91,211.46
  6. Step 6: Final answer
    x = 70,276.98

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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.