Home / 74,020.59-102,124.45-45,310.34

Finding the Fourth Proportional to 74,020.59, 102,124.45 and 45,310.34

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Solution

The fourth proportional to 74,020.59, 102,124.45 and 45,310.34 is: 62,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,020.59 : 102,124.45 = 45,310.34 : x
  2. Step 2: Convert to fraction form
    74,020.59/102,124.45 = 45,310.34/x
  3. Step 3: Cross multiply
    74,020.59x = 102,124.45 × 45,310.34
  4. Step 4: Simplify right side
    74,020.59x = 4,627,293,551.81
  5. Step 5: Solve for x
    x = 4,627,293,551.81/74,020.59
  6. Step 6: Final answer
    x = 62,513.60

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1.5x scale

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.