Home / 77,298.12-115,970.30-44,443.08

Finding the Fourth Proportional to 77,298.12, 115,970.30 and 44,443.08

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Solution

The fourth proportional to 77,298.12, 115,970.30 and 44,443.08 is: 66,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,298.12 : 115,970.30 = 44,443.08 : x
  2. Step 2: Convert to fraction form
    77,298.12/115,970.30 = 44,443.08/x
  3. Step 3: Cross multiply
    77,298.12x = 115,970.30 × 44,443.08
  4. Step 4: Simplify right side
    77,298.12x = 5,154,077,320.52
  5. Step 5: Solve for x
    x = 5,154,077,320.52/77,298.12
  6. Step 6: Final answer
    x = 66,677.91

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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.