Home / 109,511.52-151,125.96-59,210.48

Finding the Fourth Proportional to 109,511.52, 151,125.96 and 59,210.48

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Solution

The fourth proportional to 109,511.52, 151,125.96 and 59,210.48 is: 81,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,511.52 : 151,125.96 = 59,210.48 : x
  2. Step 2: Convert to fraction form
    109,511.52/151,125.96 = 59,210.48/x
  3. Step 3: Cross multiply
    109,511.52x = 151,125.96 × 59,210.48
  4. Step 4: Simplify right side
    109,511.52x = 8,948,240,632.06
  5. Step 5: Solve for x
    x = 8,948,240,632.06/109,511.52
  6. Step 6: Final answer
    x = 81,710.50

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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.