Home / 86,783.04-119,765.76-49,060.80

Finding the Fourth Proportional to 86,783.04, 119,765.76 and 49,060.80

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Solution

The fourth proportional to 86,783.04, 119,765.76 and 49,060.80 is: 67,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,783.04 : 119,765.76 = 49,060.80 : x
  2. Step 2: Convert to fraction form
    86,783.04/119,765.76 = 49,060.80/x
  3. Step 3: Cross multiply
    86,783.04x = 119,765.76 × 49,060.80
  4. Step 4: Simplify right side
    86,783.04x = 5,875,803,998.21
  5. Step 5: Solve for x
    x = 5,875,803,998.21/86,783.04
  6. Step 6: Final answer
    x = 67,706.82

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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.