Home / 55,210.12-76,196.86-31,344.52

Finding the Fourth Proportional to 55,210.12, 76,196.86 and 31,344.52

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Solution

The fourth proportional to 55,210.12, 76,196.86 and 31,344.52 is: 43,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210.12 : 76,196.86 = 31,344.52 : x
  2. Step 2: Convert to fraction form
    55,210.12/76,196.86 = 31,344.52/x
  3. Step 3: Cross multiply
    55,210.12x = 76,196.86 × 31,344.52
  4. Step 4: Simplify right side
    55,210.12x = 2,388,354,002.21
  5. Step 5: Solve for x
    x = 2,388,354,002.21/55,210.12
  6. Step 6: Final answer
    x = 43,259.35

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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.