Home / 40,776.40-61,123.29-27,630.10

Finding the Fourth Proportional to 40,776.40, 61,123.29 and 27,630.10

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Solution

The fourth proportional to 40,776.40, 61,123.29 and 27,630.10 is: 41,417.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,776.40 : 61,123.29 = 27,630.10 : x
  2. Step 2: Convert to fraction form
    40,776.40/61,123.29 = 27,630.10/x
  3. Step 3: Cross multiply
    40,776.40x = 61,123.29 × 27,630.10
  4. Step 4: Simplify right side
    40,776.40x = 1,688,842,615.03
  5. Step 5: Solve for x
    x = 1,688,842,615.03/40,776.40
  6. Step 6: Final answer
    x = 41,417.16

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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.