Home / 68,398.02-94,390.86-42,905.46

Finding the Fourth Proportional to 68,398.02, 94,390.86 and 42,905.46

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Solution

The fourth proportional to 68,398.02, 94,390.86 and 42,905.46 is: 59,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,398.02 : 94,390.86 = 42,905.46 : x
  2. Step 2: Convert to fraction form
    68,398.02/94,390.86 = 42,905.46/x
  3. Step 3: Cross multiply
    68,398.02x = 94,390.86 × 42,905.46
  4. Step 4: Simplify right side
    68,398.02x = 4,049,883,268.10
  5. Step 5: Solve for x
    x = 4,049,883,268.10/68,398.02
  6. Step 6: Final answer
    x = 59,210.53

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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.