Home / 103,098.06-154,590.81-31,040.46

Finding the Fourth Proportional to 103,098.06, 154,590.81 and 31,040.46

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Solution

The fourth proportional to 103,098.06, 154,590.81 and 31,040.46 is: 46,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,098.06 : 154,590.81 = 31,040.46 : x
  2. Step 2: Convert to fraction form
    103,098.06/154,590.81 = 31,040.46/x
  3. Step 3: Cross multiply
    103,098.06x = 154,590.81 × 31,040.46
  4. Step 4: Simplify right side
    103,098.06x = 4,798,569,854.17
  5. Step 5: Solve for x
    x = 4,798,569,854.17/103,098.06
  6. Step 6: Final answer
    x = 46,543.75

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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.