Home / 82,947.10-124,420.65-62,211.10

Finding the Fourth Proportional to 82,947.10, 124,420.65 and 62,211.10

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Solution

The fourth proportional to 82,947.10, 124,420.65 and 62,211.10 is: 93,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947.10 : 124,420.65 = 62,211.10 : x
  2. Step 2: Convert to fraction form
    82,947.10/124,420.65 = 62,211.10/x
  3. Step 3: Cross multiply
    82,947.10x = 124,420.65 × 62,211.10
  4. Step 4: Simplify right side
    82,947.10x = 7,740,345,499.22
  5. Step 5: Solve for x
    x = 7,740,345,499.22/82,947.10
  6. Step 6: Final answer
    x = 93,316.65

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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.