Home / 113,030.10-169,712.55-63,209.70

Finding the Fourth Proportional to 113,030.10, 169,712.55 and 63,209.70

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Solution

The fourth proportional to 113,030.10, 169,712.55 and 63,209.70 is: 94,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,030.10 : 169,712.55 = 63,209.70 : x
  2. Step 2: Convert to fraction form
    113,030.10/169,712.55 = 63,209.70/x
  3. Step 3: Cross multiply
    113,030.10x = 169,712.55 × 63,209.70
  4. Step 4: Simplify right side
    113,030.10x = 10,727,479,371.74
  5. Step 5: Solve for x
    x = 10,727,479,371.74/113,030.10
  6. Step 6: Final answer
    x = 94,908.16

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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.