Home / 83,026.38-114,442.56-56,159.09

Finding the Fourth Proportional to 83,026.38, 114,442.56 and 56,159.09

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Solution

The fourth proportional to 83,026.38, 114,442.56 and 56,159.09 is: 77,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,026.38 : 114,442.56 = 56,159.09 : x
  2. Step 2: Convert to fraction form
    83,026.38/114,442.56 = 56,159.09/x
  3. Step 3: Cross multiply
    83,026.38x = 114,442.56 × 56,159.09
  4. Step 4: Simplify right side
    83,026.38x = 6,426,990,026.87
  5. Step 5: Solve for x
    x = 6,426,990,026.87/83,026.38
  6. Step 6: Final answer
    x = 77,409.01

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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.