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Finding the Fourth Proportional to 62,205.20, 93,307.80 and 34,114.40

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Solution

The fourth proportional to 62,205.20, 93,307.80 and 34,114.40 is: 51,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,205.20 : 93,307.80 = 34,114.40 : x
  2. Step 2: Convert to fraction form
    62,205.20/93,307.80 = 34,114.40/x
  3. Step 3: Cross multiply
    62,205.20x = 93,307.80 × 34,114.40
  4. Step 4: Simplify right side
    62,205.20x = 3,183,139,612.32
  5. Step 5: Solve for x
    x = 3,183,139,612.32/62,205.20
  6. Step 6: Final answer
    x = 51,171.60

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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.