Home / 99,585.66-137,426.45-54,263.96

Finding the Fourth Proportional to 99,585.66, 137,426.45 and 54,263.96

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Solution

The fourth proportional to 99,585.66, 137,426.45 and 54,263.96 is: 74,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,585.66 : 137,426.45 = 54,263.96 : x
  2. Step 2: Convert to fraction form
    99,585.66/137,426.45 = 54,263.96/x
  3. Step 3: Cross multiply
    99,585.66x = 137,426.45 × 54,263.96
  4. Step 4: Simplify right side
    99,585.66x = 7,457,302,427.29
  5. Step 5: Solve for x
    x = 7,457,302,427.29/99,585.66
  6. Step 6: Final answer
    x = 74,883.30

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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.