Home / 82,027.20-123,040.80-46,970.40

Finding the Fourth Proportional to 82,027.20, 123,040.80 and 46,970.40

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Solution

The fourth proportional to 82,027.20, 123,040.80 and 46,970.40 is: 70,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,027.20 : 123,040.80 = 46,970.40 : x
  2. Step 2: Convert to fraction form
    82,027.20/123,040.80 = 46,970.40/x
  3. Step 3: Cross multiply
    82,027.20x = 123,040.80 × 46,970.40
  4. Step 4: Simplify right side
    82,027.20x = 5,779,275,592.32
  5. Step 5: Solve for x
    x = 5,779,275,592.32/82,027.20
  6. Step 6: Final answer
    x = 70,455.60

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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.