Home / 105,421.19-145,484.69-60,098.36

Finding the Fourth Proportional to 105,421.19, 145,484.69 and 60,098.36

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Solution

The fourth proportional to 105,421.19, 145,484.69 and 60,098.36 is: 82,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,421.19 : 145,484.69 = 60,098.36 : x
  2. Step 2: Convert to fraction form
    105,421.19/145,484.69 = 60,098.36/x
  3. Step 3: Cross multiply
    105,421.19x = 145,484.69 × 60,098.36
  4. Step 4: Simplify right side
    105,421.19x = 8,743,390,246.19
  5. Step 5: Solve for x
    x = 8,743,390,246.19/105,421.19
  6. Step 6: Final answer
    x = 82,937.70

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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.