Home / 72,856.83-100,547.61-40,594.14

Finding the Fourth Proportional to 72,856.83, 100,547.61 and 40,594.14

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Solution

The fourth proportional to 72,856.83, 100,547.61 and 40,594.14 is: 56,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,856.83 : 100,547.61 = 40,594.14 : x
  2. Step 2: Convert to fraction form
    72,856.83/100,547.61 = 40,594.14/x
  3. Step 3: Cross multiply
    72,856.83x = 100,547.61 × 40,594.14
  4. Step 4: Simplify right side
    72,856.83x = 4,081,643,757.01
  5. Step 5: Solve for x
    x = 4,081,643,757.01/72,856.83
  6. Step 6: Final answer
    x = 56,022.80

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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.