Home / 93,890.40-129,573.72-51,450.72

Finding the Fourth Proportional to 93,890.40, 129,573.72 and 51,450.72

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Solution

The fourth proportional to 93,890.40, 129,573.72 and 51,450.72 is: 71,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,890.40 : 129,573.72 = 51,450.72 : x
  2. Step 2: Convert to fraction form
    93,890.40/129,573.72 = 51,450.72/x
  3. Step 3: Cross multiply
    93,890.40x = 129,573.72 × 51,450.72
  4. Step 4: Simplify right side
    93,890.40x = 6,666,661,187.08
  5. Step 5: Solve for x
    x = 6,666,661,187.08/93,890.40
  6. Step 6: Final answer
    x = 71,004.72

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1.5x scale

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.