Home / 86,977.04-130,515.74-46,996.15

Finding the Fourth Proportional to 86,977.04, 130,515.74 and 46,996.15

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Solution

The fourth proportional to 86,977.04, 130,515.74 and 46,996.15 is: 70,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,977.04 : 130,515.74 = 46,996.15 : x
  2. Step 2: Convert to fraction form
    86,977.04/130,515.74 = 46,996.15/x
  3. Step 3: Cross multiply
    86,977.04x = 130,515.74 × 46,996.15
  4. Step 4: Simplify right side
    86,977.04x = 6,133,737,154.08
  5. Step 5: Solve for x
    x = 6,133,737,154.08/86,977.04
  6. Step 6: Final answer
    x = 70,521.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.