Home / 109,813.16-151,538.10-59,511.08

Finding the Fourth Proportional to 109,813.16, 151,538.10 and 59,511.08

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Solution

The fourth proportional to 109,813.16, 151,538.10 and 59,511.08 is: 82,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,813.16 : 151,538.10 = 59,511.08 : x
  2. Step 2: Convert to fraction form
    109,813.16/151,538.10 = 59,511.08/x
  3. Step 3: Cross multiply
    109,813.16x = 151,538.10 × 59,511.08
  4. Step 4: Simplify right side
    109,813.16x = 9,018,195,992.15
  5. Step 5: Solve for x
    x = 9,018,195,992.15/109,813.16
  6. Step 6: Final answer
    x = 82,123.09

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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.