Home / 75,000.16-112,465.56-27,603.28

Finding the Fourth Proportional to 75,000.16, 112,465.56 and 27,603.28

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Solution

The fourth proportional to 75,000.16, 112,465.56 and 27,603.28 is: 41,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.16 : 112,465.56 = 27,603.28 : x
  2. Step 2: Convert to fraction form
    75,000.16/112,465.56 = 27,603.28/x
  3. Step 3: Cross multiply
    75,000.16x = 112,465.56 × 27,603.28
  4. Step 4: Simplify right side
    75,000.16x = 3,104,418,343.04
  5. Step 5: Solve for x
    x = 3,104,418,343.04/75,000.16
  6. Step 6: Final answer
    x = 41,392.16

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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.