Home / 82,129.07-113,341.95-46,318.31

Finding the Fourth Proportional to 82,129.07, 113,341.95 and 46,318.31

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Solution

The fourth proportional to 82,129.07, 113,341.95 and 46,318.31 is: 63,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,129.07 : 113,341.95 = 46,318.31 : x
  2. Step 2: Convert to fraction form
    82,129.07/113,341.95 = 46,318.31/x
  3. Step 3: Cross multiply
    82,129.07x = 113,341.95 × 46,318.31
  4. Step 4: Simplify right side
    82,129.07x = 5,249,807,576.10
  5. Step 5: Solve for x
    x = 5,249,807,576.10/82,129.07
  6. Step 6: Final answer
    x = 63,921.43

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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.