Home / 93,770.32-129,411.84-56,043.76

Finding the Fourth Proportional to 93,770.32, 129,411.84 and 56,043.76

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Solution

The fourth proportional to 93,770.32, 129,411.84 and 56,043.76 is: 77,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,770.32 : 129,411.84 = 56,043.76 : x
  2. Step 2: Convert to fraction form
    93,770.32/129,411.84 = 56,043.76/x
  3. Step 3: Cross multiply
    93,770.32x = 129,411.84 × 56,043.76
  4. Step 4: Simplify right side
    93,770.32x = 7,252,726,102.12
  5. Step 5: Solve for x
    x = 7,252,726,102.12/93,770.32
  6. Step 6: Final answer
    x = 77,345.65

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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.