Home / 99,430.08-137,216.04-54,110.52

Finding the Fourth Proportional to 99,430.08, 137,216.04 and 54,110.52

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Solution

The fourth proportional to 99,430.08, 137,216.04 and 54,110.52 is: 74,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,430.08 : 137,216.04 = 54,110.52 : x
  2. Step 2: Convert to fraction form
    99,430.08/137,216.04 = 54,110.52/x
  3. Step 3: Cross multiply
    99,430.08x = 137,216.04 × 54,110.52
  4. Step 4: Simplify right side
    99,430.08x = 7,424,831,276.74
  5. Step 5: Solve for x
    x = 7,424,831,276.74/99,430.08
  6. Step 6: Final answer
    x = 74,673.89

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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.