Home / 75,018.96-103,547.16-43,200.54

Finding the Fourth Proportional to 75,018.96, 103,547.16 and 43,200.54

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Solution

The fourth proportional to 75,018.96, 103,547.16 and 43,200.54 is: 59,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,018.96 : 103,547.16 = 43,200.54 : x
  2. Step 2: Convert to fraction form
    75,018.96/103,547.16 = 43,200.54/x
  3. Step 3: Cross multiply
    75,018.96x = 103,547.16 × 43,200.54
  4. Step 4: Simplify right side
    75,018.96x = 4,473,293,227.47
  5. Step 5: Solve for x
    x = 4,473,293,227.47/75,018.96
  6. Step 6: Final answer
    x = 59,628.84

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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.