Home / 82,980.07-114,510.78-45,254.32

Finding the Fourth Proportional to 82,980.07, 114,510.78 and 45,254.32

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Solution

The fourth proportional to 82,980.07, 114,510.78 and 45,254.32 is: 62,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,980.07 : 114,510.78 = 45,254.32 : x
  2. Step 2: Convert to fraction form
    82,980.07/114,510.78 = 45,254.32/x
  3. Step 3: Cross multiply
    82,980.07x = 114,510.78 × 45,254.32
  4. Step 4: Simplify right side
    82,980.07x = 5,182,107,195.29
  5. Step 5: Solve for x
    x = 5,182,107,195.29/82,980.07
  6. Step 6: Final answer
    x = 62,450.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.