Home / 74,426.10-111,639.15-44,901.60

Finding the Fourth Proportional to 74,426.10, 111,639.15 and 44,901.60

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Solution

The fourth proportional to 74,426.10, 111,639.15 and 44,901.60 is: 67,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.10 : 111,639.15 = 44,901.60 : x
  2. Step 2: Convert to fraction form
    74,426.10/111,639.15 = 44,901.60/x
  3. Step 3: Cross multiply
    74,426.10x = 111,639.15 × 44,901.60
  4. Step 4: Simplify right side
    74,426.10x = 5,012,776,457.64
  5. Step 5: Solve for x
    x = 5,012,776,457.64/74,426.10
  6. Step 6: Final answer
    x = 67,352.40

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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.