Home / 72,644.04-100,101.42-52,465.32

Finding the Fourth Proportional to 72,644.04, 100,101.42 and 52,465.32

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Solution

The fourth proportional to 72,644.04, 100,101.42 and 52,465.32 is: 72,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,644.04 : 100,101.42 = 52,465.32 : x
  2. Step 2: Convert to fraction form
    72,644.04/100,101.42 = 52,465.32/x
  3. Step 3: Cross multiply
    72,644.04x = 100,101.42 × 52,465.32
  4. Step 4: Simplify right side
    72,644.04x = 5,251,853,032.75
  5. Step 5: Solve for x
    x = 5,251,853,032.75/72,644.04
  6. Step 6: Final answer
    x = 72,295.72

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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.