Home / 75,085.36-103,655.22-43,248.04

Finding the Fourth Proportional to 75,085.36, 103,655.22 and 43,248.04

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Solution

The fourth proportional to 75,085.36, 103,655.22 and 43,248.04 is: 59,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085.36 : 103,655.22 = 43,248.04 : x
  2. Step 2: Convert to fraction form
    75,085.36/103,655.22 = 43,248.04/x
  3. Step 3: Cross multiply
    75,085.36x = 103,655.22 × 43,248.04
  4. Step 4: Simplify right side
    75,085.36x = 4,482,885,100.77
  5. Step 5: Solve for x
    x = 4,482,885,100.77/75,085.36
  6. Step 6: Final answer
    x = 59,703.85

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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.