Home / 74,999.96-103,585.02-51,085.16

Finding the Fourth Proportional to 74,999.96, 103,585.02 and 51,085.16

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Solution

The fourth proportional to 74,999.96, 103,585.02 and 51,085.16 is: 70,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,999.96 : 103,585.02 = 51,085.16 : x
  2. Step 2: Convert to fraction form
    74,999.96/103,585.02 = 51,085.16/x
  3. Step 3: Cross multiply
    74,999.96x = 103,585.02 × 51,085.16
  4. Step 4: Simplify right side
    74,999.96x = 5,291,657,320.30
  5. Step 5: Solve for x
    x = 5,291,657,320.30/74,999.96
  6. Step 6: Final answer
    x = 70,555.47

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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.