Home / 56,160.09-84,211.97-18,707.00

Finding the Fourth Proportional to 56,160.09, 84,211.97 and 18,707.00

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Solution

The fourth proportional to 56,160.09, 84,211.97 and 18,707.00 is: 28,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.09 : 84,211.97 = 18,707.00 : x
  2. Step 2: Convert to fraction form
    56,160.09/84,211.97 = 18,707.00/x
  3. Step 3: Cross multiply
    56,160.09x = 84,211.97 × 18,707.00
  4. Step 4: Simplify right side
    56,160.09x = 1,575,352,808.20
  5. Step 5: Solve for x
    x = 1,575,352,808.20/56,160.09
  6. Step 6: Final answer
    x = 28,051.11

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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.