Home / 82,788.16-114,254.40-46,488.80

Finding the Fourth Proportional to 82,788.16, 114,254.40 and 46,488.80

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Solution

The fourth proportional to 82,788.16, 114,254.40 and 46,488.80 is: 64,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,788.16 : 114,254.40 = 46,488.80 : x
  2. Step 2: Convert to fraction form
    82,788.16/114,254.40 = 46,488.80/x
  3. Step 3: Cross multiply
    82,788.16x = 114,254.40 × 46,488.80
  4. Step 4: Simplify right side
    82,788.16x = 5,311,549,950.72
  5. Step 5: Solve for x
    x = 5,311,549,950.72/82,788.16
  6. Step 6: Final answer
    x = 64,158.33

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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.