Home / 74,580.21-102,925.29-42,753.90

Finding the Fourth Proportional to 74,580.21, 102,925.29 and 42,753.90

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Solution

The fourth proportional to 74,580.21, 102,925.29 and 42,753.90 is: 59,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,580.21 : 102,925.29 = 42,753.90 : x
  2. Step 2: Convert to fraction form
    74,580.21/102,925.29 = 42,753.90/x
  3. Step 3: Cross multiply
    74,580.21x = 102,925.29 × 42,753.90
  4. Step 4: Simplify right side
    74,580.21x = 4,400,456,827.74
  5. Step 5: Solve for x
    x = 4,400,456,827.74/74,580.21
  6. Step 6: Final answer
    x = 59,003.01

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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.