Home / 74,720.56-103,061.61-44,482.45

Finding the Fourth Proportional to 74,720.56, 103,061.61 and 44,482.45

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Solution

The fourth proportional to 74,720.56, 103,061.61 and 44,482.45 is: 61,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,720.56 : 103,061.61 = 44,482.45 : x
  2. Step 2: Convert to fraction form
    74,720.56/103,061.61 = 44,482.45/x
  3. Step 3: Cross multiply
    74,720.56x = 103,061.61 × 44,482.45
  4. Step 4: Simplify right side
    74,720.56x = 4,584,432,913.74
  5. Step 5: Solve for x
    x = 4,584,432,913.74/74,720.56
  6. Step 6: Final answer
    x = 61,354.37

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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.