Home / 60,284.12-90,421.45-22,840.79

Finding the Fourth Proportional to 60,284.12, 90,421.45 and 22,840.79

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Solution

The fourth proportional to 60,284.12, 90,421.45 and 22,840.79 is: 34,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,284.12 : 90,421.45 = 22,840.79 : x
  2. Step 2: Convert to fraction form
    60,284.12/90,421.45 = 22,840.79/x
  3. Step 3: Cross multiply
    60,284.12x = 90,421.45 × 22,840.79
  4. Step 4: Simplify right side
    60,284.12x = 2,065,296,841.74
  5. Step 5: Solve for x
    x = 2,065,296,841.74/60,284.12
  6. Step 6: Final answer
    x = 34,259.39

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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.