Home / 93,731.06-129,348.88-51,289.61

Finding the Fourth Proportional to 93,731.06, 129,348.88 and 51,289.61

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Solution

The fourth proportional to 93,731.06, 129,348.88 and 51,289.61 is: 70,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,731.06 : 129,348.88 = 51,289.61 : x
  2. Step 2: Convert to fraction form
    93,731.06/129,348.88 = 51,289.61/x
  3. Step 3: Cross multiply
    93,731.06x = 129,348.88 × 51,289.61
  4. Step 4: Simplify right side
    93,731.06x = 6,634,252,834.17
  5. Step 5: Solve for x
    x = 6,634,252,834.17/93,731.06
  6. Step 6: Final answer
    x = 70,779.66

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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.