Home / 53,677.40-80,516.10-50,615.60

Finding the Fourth Proportional to 53,677.40, 80,516.10 and 50,615.60

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Solution

The fourth proportional to 53,677.40, 80,516.10 and 50,615.60 is: 75,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,677.40 : 80,516.10 = 50,615.60 : x
  2. Step 2: Convert to fraction form
    53,677.40/80,516.10 = 50,615.60/x
  3. Step 3: Cross multiply
    53,677.40x = 80,516.10 × 50,615.60
  4. Step 4: Simplify right side
    53,677.40x = 4,075,370,711.16
  5. Step 5: Solve for x
    x = 4,075,370,711.16/53,677.40
  6. Step 6: Final answer
    x = 75,923.40

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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.