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Finding the Fourth Proportional to 60,555.70, 84,847.10 and 60,555.70

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Solution

The fourth proportional to 60,555.70, 84,847.10 and 60,555.70 is: 84,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,555.70 : 84,847.10 = 60,555.70 : x
  2. Step 2: Convert to fraction form
    60,555.70/84,847.10 = 60,555.70/x
  3. Step 3: Cross multiply
    60,555.70x = 84,847.10 × 60,555.70
  4. Step 4: Simplify right side
    60,555.70x = 5,137,975,533.47
  5. Step 5: Solve for x
    x = 5,137,975,533.47/60,555.70
  6. Step 6: Final answer
    x = 84,847.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.