Home / 82,133.12-113,342.40-46,323.20

Finding the Fourth Proportional to 82,133.12, 113,342.40 and 46,323.20

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Solution

The fourth proportional to 82,133.12, 113,342.40 and 46,323.20 is: 63,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,133.12 : 113,342.40 = 46,323.20 : x
  2. Step 2: Convert to fraction form
    82,133.12/113,342.40 = 46,323.20/x
  3. Step 3: Cross multiply
    82,133.12x = 113,342.40 × 46,323.20
  4. Step 4: Simplify right side
    82,133.12x = 5,250,382,663.68
  5. Step 5: Solve for x
    x = 5,250,382,663.68/82,133.12
  6. Step 6: Final answer
    x = 63,925.28

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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.