Home / 83,810.32-115,685.28-53,676.77

Finding the Fourth Proportional to 83,810.32, 115,685.28 and 53,676.77

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Solution

The fourth proportional to 83,810.32, 115,685.28 and 53,676.77 is: 74,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,810.32 : 115,685.28 = 53,676.77 : x
  2. Step 2: Convert to fraction form
    83,810.32/115,685.28 = 53,676.77/x
  3. Step 3: Cross multiply
    83,810.32x = 115,685.28 × 53,676.77
  4. Step 4: Simplify right side
    83,810.32x = 6,209,611,588.52
  5. Step 5: Solve for x
    x = 6,209,611,588.52/83,810.32
  6. Step 6: Final answer
    x = 74,091.25

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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.