Home / 49,870.80-74,806.20-44,427.60

Finding the Fourth Proportional to 49,870.80, 74,806.20 and 44,427.60

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Solution

The fourth proportional to 49,870.80, 74,806.20 and 44,427.60 is: 66,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.80 : 74,806.20 = 44,427.60 : x
  2. Step 2: Convert to fraction form
    49,870.80/74,806.20 = 44,427.60/x
  3. Step 3: Cross multiply
    49,870.80x = 74,806.20 × 44,427.60
  4. Step 4: Simplify right side
    49,870.80x = 3,323,459,931.12
  5. Step 5: Solve for x
    x = 3,323,459,931.12/49,870.80
  6. Step 6: Final answer
    x = 66,641.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.