Home / 113,079.10-169,618.65-54,030.10

Finding the Fourth Proportional to 113,079.10, 169,618.65 and 54,030.10

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Solution

The fourth proportional to 113,079.10, 169,618.65 and 54,030.10 is: 81,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,079.10 : 169,618.65 = 54,030.10 : x
  2. Step 2: Convert to fraction form
    113,079.10/169,618.65 = 54,030.10/x
  3. Step 3: Cross multiply
    113,079.10x = 169,618.65 × 54,030.10
  4. Step 4: Simplify right side
    113,079.10x = 9,164,512,621.37
  5. Step 5: Solve for x
    x = 9,164,512,621.37/113,079.10
  6. Step 6: Final answer
    x = 81,045.15

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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.