Home / 60,047.42-90,069.08-28,472.60

Finding the Fourth Proportional to 60,047.42, 90,069.08 and 28,472.60

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Solution

The fourth proportional to 60,047.42, 90,069.08 and 28,472.60 is: 42,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,047.42 : 90,069.08 = 28,472.60 : x
  2. Step 2: Convert to fraction form
    60,047.42/90,069.08 = 28,472.60/x
  3. Step 3: Cross multiply
    60,047.42x = 90,069.08 × 28,472.60
  4. Step 4: Simplify right side
    60,047.42x = 2,564,500,970.02
  5. Step 5: Solve for x
    x = 2,564,500,970.02/60,047.42
  6. Step 6: Final answer
    x = 42,707.93

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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.