Home / 109,106.74-150,549.71-61,357.24

Finding the Fourth Proportional to 109,106.74, 150,549.71 and 61,357.24

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Solution

The fourth proportional to 109,106.74, 150,549.71 and 61,357.24 is: 84,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,106.74 : 150,549.71 = 61,357.24 : x
  2. Step 2: Convert to fraction form
    109,106.74/150,549.71 = 61,357.24/x
  3. Step 3: Cross multiply
    109,106.74x = 150,549.71 × 61,357.24
  4. Step 4: Simplify right side
    109,106.74x = 9,237,314,569.80
  5. Step 5: Solve for x
    x = 9,237,314,569.80/109,106.74
  6. Step 6: Final answer
    x = 84,663.10

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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.