Home / 76,070.28-104,974.98-42,080.16

Finding the Fourth Proportional to 76,070.28, 104,974.98 and 42,080.16

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Solution

The fourth proportional to 76,070.28, 104,974.98 and 42,080.16 is: 58,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,070.28 : 104,974.98 = 42,080.16 : x
  2. Step 2: Convert to fraction form
    76,070.28/104,974.98 = 42,080.16/x
  3. Step 3: Cross multiply
    76,070.28x = 104,974.98 × 42,080.16
  4. Step 4: Simplify right side
    76,070.28x = 4,417,363,954.40
  5. Step 5: Solve for x
    x = 4,417,363,954.40/76,070.28
  6. Step 6: Final answer
    x = 58,069.51

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1.5x scale

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.