Home / 86,977.03-130,461.33-50,973.55

Finding the Fourth Proportional to 86,977.03, 130,461.33 and 50,973.55

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Solution

The fourth proportional to 86,977.03, 130,461.33 and 50,973.55 is: 76,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,977.03 : 130,461.33 = 50,973.55 : x
  2. Step 2: Convert to fraction form
    86,977.03/130,461.33 = 50,973.55/x
  3. Step 3: Cross multiply
    86,977.03x = 130,461.33 × 50,973.55
  4. Step 4: Simplify right side
    86,977.03x = 6,650,077,127.82
  5. Step 5: Solve for x
    x = 6,650,077,127.82/86,977.03
  6. Step 6: Final answer
    x = 76,457.85

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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.