Home / 60,661.08-83,688.43-40,531.11

Finding the Fourth Proportional to 60,661.08, 83,688.43 and 40,531.11

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Solution

The fourth proportional to 60,661.08, 83,688.43 and 40,531.11 is: 55,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661.08 : 83,688.43 = 40,531.11 : x
  2. Step 2: Convert to fraction form
    60,661.08/83,688.43 = 40,531.11/x
  3. Step 3: Cross multiply
    60,661.08x = 83,688.43 × 40,531.11
  4. Step 4: Simplify right side
    60,661.08x = 3,391,984,962.06
  5. Step 5: Solve for x
    x = 3,391,984,962.06/60,661.08
  6. Step 6: Final answer
    x = 55,916.99

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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.