Home / 83,343.20-114,893.76-59,428.32

Finding the Fourth Proportional to 83,343.20, 114,893.76 and 59,428.32

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Solution

The fourth proportional to 83,343.20, 114,893.76 and 59,428.32 is: 81,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,343.20 : 114,893.76 = 59,428.32 : x
  2. Step 2: Convert to fraction form
    83,343.20/114,893.76 = 59,428.32/x
  3. Step 3: Cross multiply
    83,343.20x = 114,893.76 × 59,428.32
  4. Step 4: Simplify right side
    83,343.20x = 6,827,943,135.28
  5. Step 5: Solve for x
    x = 6,827,943,135.28/83,343.20
  6. Step 6: Final answer
    x = 81,925.62

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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.