Home / 76,030.02-104,919.80-42,039.95

Finding the Fourth Proportional to 76,030.02, 104,919.80 and 42,039.95

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Solution

The fourth proportional to 76,030.02, 104,919.80 and 42,039.95 is: 58,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,030.02 : 104,919.80 = 42,039.95 : x
  2. Step 2: Convert to fraction form
    76,030.02/104,919.80 = 42,039.95/x
  3. Step 3: Cross multiply
    76,030.02x = 104,919.80 × 42,039.95
  4. Step 4: Simplify right side
    76,030.02x = 4,410,822,411.21
  5. Step 5: Solve for x
    x = 4,410,822,411.21/76,030.02
  6. Step 6: Final answer
    x = 58,014.22

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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.