Home / 82,430.01-113,746.98-48,439.80

Finding the Fourth Proportional to 82,430.01, 113,746.98 and 48,439.80

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Solution

The fourth proportional to 82,430.01, 113,746.98 and 48,439.80 is: 66,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,430.01 : 113,746.98 = 48,439.80 : x
  2. Step 2: Convert to fraction form
    82,430.01/113,746.98 = 48,439.80/x
  3. Step 3: Cross multiply
    82,430.01x = 113,746.98 × 48,439.80
  4. Step 4: Simplify right side
    82,430.01x = 5,509,880,961.80
  5. Step 5: Solve for x
    x = 5,509,880,961.80/82,430.01
  6. Step 6: Final answer
    x = 66,843.14

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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.