Home / 72,484.84-100,032.45-45,277.03

Finding the Fourth Proportional to 72,484.84, 100,032.45 and 45,277.03

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Solution

The fourth proportional to 72,484.84, 100,032.45 and 45,277.03 is: 62,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,484.84 : 100,032.45 = 45,277.03 : x
  2. Step 2: Convert to fraction form
    72,484.84/100,032.45 = 45,277.03/x
  3. Step 3: Cross multiply
    72,484.84x = 100,032.45 × 45,277.03
  4. Step 4: Simplify right side
    72,484.84x = 4,529,172,239.62
  5. Step 5: Solve for x
    x = 4,529,172,239.62/72,484.84
  6. Step 6: Final answer
    x = 62,484.41

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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.