Home / 99,043.40-136,697.36-58,779.36

Finding the Fourth Proportional to 99,043.40, 136,697.36 and 58,779.36

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Solution

The fourth proportional to 99,043.40, 136,697.36 and 58,779.36 is: 81,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043.40 : 136,697.36 = 58,779.36 : x
  2. Step 2: Convert to fraction form
    99,043.40/136,697.36 = 58,779.36/x
  3. Step 3: Cross multiply
    99,043.40x = 136,697.36 × 58,779.36
  4. Step 4: Simplify right side
    99,043.40x = 8,034,983,334.49
  5. Step 5: Solve for x
    x = 8,034,983,334.49/99,043.40
  6. Step 6: Final answer
    x = 81,125.88

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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.