Home / 46,140.42-69,210.65-12,861.34

Finding the Fourth Proportional to 46,140.42, 69,210.65 and 12,861.34

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Solution

The fourth proportional to 46,140.42, 69,210.65 and 12,861.34 is: 19,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,140.42 : 69,210.65 = 12,861.34 : x
  2. Step 2: Convert to fraction form
    46,140.42/69,210.65 = 12,861.34/x
  3. Step 3: Cross multiply
    46,140.42x = 69,210.65 × 12,861.34
  4. Step 4: Simplify right side
    46,140.42x = 890,141,701.27
  5. Step 5: Solve for x
    x = 890,141,701.27/46,140.42
  6. Step 6: Final answer
    x = 19,292.02

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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.