Home / 73,890.13-101,969.02-42,061.07

Finding the Fourth Proportional to 73,890.13, 101,969.02 and 42,061.07

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Solution

The fourth proportional to 73,890.13, 101,969.02 and 42,061.07 is: 58,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,890.13 : 101,969.02 = 42,061.07 : x
  2. Step 2: Convert to fraction form
    73,890.13/101,969.02 = 42,061.07/x
  3. Step 3: Cross multiply
    73,890.13x = 101,969.02 × 42,061.07
  4. Step 4: Simplify right side
    73,890.13x = 4,288,926,088.05
  5. Step 5: Solve for x
    x = 4,288,926,088.05/73,890.13
  6. Step 6: Final answer
    x = 58,044.64

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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.