Home / 75,260.08-112,792.50-56,391.40

Finding the Fourth Proportional to 75,260.08, 112,792.50 and 56,391.40

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Solution

The fourth proportional to 75,260.08, 112,792.50 and 56,391.40 is: 84,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260.08 : 112,792.50 = 56,391.40 : x
  2. Step 2: Convert to fraction form
    75,260.08/112,792.50 = 56,391.40/x
  3. Step 3: Cross multiply
    75,260.08x = 112,792.50 × 56,391.40
  4. Step 4: Simplify right side
    75,260.08x = 6,360,526,984.50
  5. Step 5: Solve for x
    x = 6,360,526,984.50/75,260.08
  6. Step 6: Final answer
    x = 84,513.95

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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.