Home / 76,411.15-114,590.77-26,479.58

Finding the Fourth Proportional to 76,411.15, 114,590.77 and 26,479.58

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Solution

The fourth proportional to 76,411.15, 114,590.77 and 26,479.58 is: 39,710.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,411.15 : 114,590.77 = 26,479.58 : x
  2. Step 2: Convert to fraction form
    76,411.15/114,590.77 = 26,479.58/x
  3. Step 3: Cross multiply
    76,411.15x = 114,590.77 × 26,479.58
  4. Step 4: Simplify right side
    76,411.15x = 3,034,314,822.32
  5. Step 5: Solve for x
    x = 3,034,314,822.32/76,411.15
  6. Step 6: Final answer
    x = 39,710.37

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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.