Home / 74,377.46-102,641.66-40,386.26

Finding the Fourth Proportional to 74,377.46, 102,641.66 and 40,386.26

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Solution

The fourth proportional to 74,377.46, 102,641.66 and 40,386.26 is: 55,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,377.46 : 102,641.66 = 40,386.26 : x
  2. Step 2: Convert to fraction form
    74,377.46/102,641.66 = 40,386.26/x
  3. Step 3: Cross multiply
    74,377.46x = 102,641.66 × 40,386.26
  4. Step 4: Simplify right side
    74,377.46x = 4,145,312,767.59
  5. Step 5: Solve for x
    x = 4,145,312,767.59/74,377.46
  6. Step 6: Final answer
    x = 55,733.45

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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.