Home / 121,629.60-182,386.08-62,434.80

Finding the Fourth Proportional to 121,629.60, 182,386.08 and 62,434.80

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Solution

The fourth proportional to 121,629.60, 182,386.08 and 62,434.80 is: 93,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,629.60 : 182,386.08 = 62,434.80 : x
  2. Step 2: Convert to fraction form
    121,629.60/182,386.08 = 62,434.80/x
  3. Step 3: Cross multiply
    121,629.60x = 182,386.08 × 62,434.80
  4. Step 4: Simplify right side
    121,629.60x = 11,387,238,427.58
  5. Step 5: Solve for x
    x = 11,387,238,427.58/121,629.60
  6. Step 6: Final answer
    x = 93,622.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.