Home / 60,365.45-90,527.65-20,913.35

Finding the Fourth Proportional to 60,365.45, 90,527.65 and 20,913.35

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Solution

The fourth proportional to 60,365.45, 90,527.65 and 20,913.35 is: 31,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,365.45 : 90,527.65 = 20,913.35 : x
  2. Step 2: Convert to fraction form
    60,365.45/90,527.65 = 20,913.35/x
  3. Step 3: Cross multiply
    60,365.45x = 90,527.65 × 20,913.35
  4. Step 4: Simplify right side
    60,365.45x = 1,893,235,924.21
  5. Step 5: Solve for x
    x = 1,893,235,924.21/60,365.45
  6. Step 6: Final answer
    x = 31,362.90

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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.