Home / 77,070.24-106,355.04-43,079.04

Finding the Fourth Proportional to 77,070.24, 106,355.04 and 43,079.04

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Solution

The fourth proportional to 77,070.24, 106,355.04 and 43,079.04 is: 59,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,070.24 : 106,355.04 = 43,079.04 : x
  2. Step 2: Convert to fraction form
    77,070.24/106,355.04 = 43,079.04/x
  3. Step 3: Cross multiply
    77,070.24x = 106,355.04 × 43,079.04
  4. Step 4: Simplify right side
    77,070.24x = 4,581,673,022.36
  5. Step 5: Solve for x
    x = 4,581,673,022.36/77,070.24
  6. Step 6: Final answer
    x = 59,448.02

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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.