Home / 93,347.12-128,813.96-53,055.29

Finding the Fourth Proportional to 93,347.12, 128,813.96 and 53,055.29

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Solution

The fourth proportional to 93,347.12, 128,813.96 and 53,055.29 is: 73,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,347.12 : 128,813.96 = 53,055.29 : x
  2. Step 2: Convert to fraction form
    93,347.12/128,813.96 = 53,055.29/x
  3. Step 3: Cross multiply
    93,347.12x = 128,813.96 × 53,055.29
  4. Step 4: Simplify right side
    93,347.12x = 6,834,262,458.52
  5. Step 5: Solve for x
    x = 6,834,262,458.52/93,347.12
  6. Step 6: Final answer
    x = 73,213.42

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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.