Home / 86,574.25-119,474.34-47,811.95

Finding the Fourth Proportional to 86,574.25, 119,474.34 and 47,811.95

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Solution

The fourth proportional to 86,574.25, 119,474.34 and 47,811.95 is: 65,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,574.25 : 119,474.34 = 47,811.95 : x
  2. Step 2: Convert to fraction form
    86,574.25/119,474.34 = 47,811.95/x
  3. Step 3: Cross multiply
    86,574.25x = 119,474.34 × 47,811.95
  4. Step 4: Simplify right side
    86,574.25x = 5,712,300,931.30
  5. Step 5: Solve for x
    x = 5,712,300,931.30/86,574.25
  6. Step 6: Final answer
    x = 65,981.52

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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.