Home / 75,237.18-103,823.31-43,404.18

Finding the Fourth Proportional to 75,237.18, 103,823.31 and 43,404.18

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Solution

The fourth proportional to 75,237.18, 103,823.31 and 43,404.18 is: 59,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,237.18 : 103,823.31 = 43,404.18 : x
  2. Step 2: Convert to fraction form
    75,237.18/103,823.31 = 43,404.18/x
  3. Step 3: Cross multiply
    75,237.18x = 103,823.31 × 43,404.18
  4. Step 4: Simplify right side
    75,237.18x = 4,506,365,635.44
  5. Step 5: Solve for x
    x = 4,506,365,635.44/75,237.18
  6. Step 6: Final answer
    x = 59,895.46

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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.