Home / 99,076.12-136,731.84-56,055.67

Finding the Fourth Proportional to 99,076.12, 136,731.84 and 56,055.67

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Solution

The fourth proportional to 99,076.12, 136,731.84 and 56,055.67 is: 77,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076.12 : 136,731.84 = 56,055.67 : x
  2. Step 2: Convert to fraction form
    99,076.12/136,731.84 = 56,055.67/x
  3. Step 3: Cross multiply
    99,076.12x = 136,731.84 × 56,055.67
  4. Step 4: Simplify right side
    99,076.12x = 7,664,594,901.53
  5. Step 5: Solve for x
    x = 7,664,594,901.53/99,076.12
  6. Step 6: Final answer
    x = 77,360.67

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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.