Home / 74,908.98-103,372.59-43,077.18

Finding the Fourth Proportional to 74,908.98, 103,372.59 and 43,077.18

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Solution

The fourth proportional to 74,908.98, 103,372.59 and 43,077.18 is: 59,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,908.98 : 103,372.59 = 43,077.18 : x
  2. Step 2: Convert to fraction form
    74,908.98/103,372.59 = 43,077.18/x
  3. Step 3: Cross multiply
    74,908.98x = 103,372.59 × 43,077.18
  4. Step 4: Simplify right side
    74,908.98x = 4,452,999,666.50
  5. Step 5: Solve for x
    x = 4,452,999,666.50/74,908.98
  6. Step 6: Final answer
    x = 59,445.47

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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.