Home / 66,070.56-99,141.12-31,010.52

Finding the Fourth Proportional to 66,070.56, 99,141.12 and 31,010.52

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Solution

The fourth proportional to 66,070.56, 99,141.12 and 31,010.52 is: 46,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,070.56 : 99,141.12 = 31,010.52 : x
  2. Step 2: Convert to fraction form
    66,070.56/99,141.12 = 31,010.52/x
  3. Step 3: Cross multiply
    66,070.56x = 99,141.12 × 31,010.52
  4. Step 4: Simplify right side
    66,070.56x = 3,074,417,684.58
  5. Step 5: Solve for x
    x = 3,074,417,684.58/66,070.56
  6. Step 6: Final answer
    x = 46,532.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.