Home / 72,838.04-109,098.39-35,318.63

Finding the Fourth Proportional to 72,838.04, 109,098.39 and 35,318.63

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Solution

The fourth proportional to 72,838.04, 109,098.39 and 35,318.63 is: 52,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,838.04 : 109,098.39 = 35,318.63 : x
  2. Step 2: Convert to fraction form
    72,838.04/109,098.39 = 35,318.63/x
  3. Step 3: Cross multiply
    72,838.04x = 109,098.39 × 35,318.63
  4. Step 4: Simplify right side
    72,838.04x = 3,853,206,075.20
  5. Step 5: Solve for x
    x = 3,853,206,075.20/72,838.04
  6. Step 6: Final answer
    x = 52,901.02

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1.5x scale

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.