Home / 56,980.30-85,470.51-14,860.35

Finding the Fourth Proportional to 56,980.30, 85,470.51 and 14,860.35

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Solution

The fourth proportional to 56,980.30, 85,470.51 and 14,860.35 is: 22,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,980.30 : 85,470.51 = 14,860.35 : x
  2. Step 2: Convert to fraction form
    56,980.30/85,470.51 = 14,860.35/x
  3. Step 3: Cross multiply
    56,980.30x = 85,470.51 × 14,860.35
  4. Step 4: Simplify right side
    56,980.30x = 1,270,121,693.28
  5. Step 5: Solve for x
    x = 1,270,121,693.28/56,980.30
  6. Step 6: Final answer
    x = 22,290.54

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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.