Home / 105,045.25-144,937.51-59,719.68

Finding the Fourth Proportional to 105,045.25, 144,937.51 and 59,719.68

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Solution

The fourth proportional to 105,045.25, 144,937.51 and 59,719.68 is: 82,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,045.25 : 144,937.51 = 59,719.68 : x
  2. Step 2: Convert to fraction form
    105,045.25/144,937.51 = 59,719.68/x
  3. Step 3: Cross multiply
    105,045.25x = 144,937.51 × 59,719.68
  4. Step 4: Simplify right side
    105,045.25x = 8,655,621,717.20
  5. Step 5: Solve for x
    x = 8,655,621,717.20/105,045.25
  6. Step 6: Final answer
    x = 82,398.98

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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.