Home / 76,666.01-105,798.26-42,673.95

Finding the Fourth Proportional to 76,666.01, 105,798.26 and 42,673.95

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Solution

The fourth proportional to 76,666.01, 105,798.26 and 42,673.95 is: 58,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,666.01 : 105,798.26 = 42,673.95 : x
  2. Step 2: Convert to fraction form
    76,666.01/105,798.26 = 42,673.95/x
  3. Step 3: Cross multiply
    76,666.01x = 105,798.26 × 42,673.95
  4. Step 4: Simplify right side
    76,666.01x = 4,514,829,443.96
  5. Step 5: Solve for x
    x = 4,514,829,443.96/76,666.01
  6. Step 6: Final answer
    x = 58,889.59

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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.