Home / 109,631.63-151,291.64-59,330.63

Finding the Fourth Proportional to 109,631.63, 151,291.64 and 59,330.63

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Solution

The fourth proportional to 109,631.63, 151,291.64 and 59,330.63 is: 81,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,631.63 : 151,291.64 = 59,330.63 : x
  2. Step 2: Convert to fraction form
    109,631.63/151,291.64 = 59,330.63/x
  3. Step 3: Cross multiply
    109,631.63x = 151,291.64 × 59,330.63
  4. Step 4: Simplify right side
    109,631.63x = 8,976,227,706.80
  5. Step 5: Solve for x
    x = 8,976,227,706.80/109,631.63
  6. Step 6: Final answer
    x = 81,876.26

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1.5x scale

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.