Home / 93,730.78-129,348.48-51,289.31

Finding the Fourth Proportional to 93,730.78, 129,348.48 and 51,289.31

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Solution

The fourth proportional to 93,730.78, 129,348.48 and 51,289.31 is: 70,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,730.78 : 129,348.48 = 51,289.31 : x
  2. Step 2: Convert to fraction form
    93,730.78/129,348.48 = 51,289.31/x
  3. Step 3: Cross multiply
    93,730.78x = 129,348.48 × 51,289.31
  4. Step 4: Simplify right side
    93,730.78x = 6,634,194,804.45
  5. Step 5: Solve for x
    x = 6,634,194,804.45/93,730.78
  6. Step 6: Final answer
    x = 70,779.25

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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.