Home / 68,465.81-102,549.27-42,090.59

Finding the Fourth Proportional to 68,465.81, 102,549.27 and 42,090.59

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Solution

The fourth proportional to 68,465.81, 102,549.27 and 42,090.59 is: 63,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,465.81 : 102,549.27 = 42,090.59 : x
  2. Step 2: Convert to fraction form
    68,465.81/102,549.27 = 42,090.59/x
  3. Step 3: Cross multiply
    68,465.81x = 102,549.27 × 42,090.59
  4. Step 4: Simplify right side
    68,465.81x = 4,316,359,278.37
  5. Step 5: Solve for x
    x = 4,316,359,278.37/68,465.81
  6. Step 6: Final answer
    x = 63,044.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.