Home / 74,320.64-102,580.70-45,647.17

Finding the Fourth Proportional to 74,320.64, 102,580.70 and 45,647.17

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Solution

The fourth proportional to 74,320.64, 102,580.70 and 45,647.17 is: 63,004.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,320.64 : 102,580.70 = 45,647.17 : x
  2. Step 2: Convert to fraction form
    74,320.64/102,580.70 = 45,647.17/x
  3. Step 3: Cross multiply
    74,320.64x = 102,580.70 × 45,647.17
  4. Step 4: Simplify right side
    74,320.64x = 4,682,518,840.59
  5. Step 5: Solve for x
    x = 4,682,518,840.59/74,320.64
  6. Step 6: Final answer
    x = 63,004.29

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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.