Home / 103,537.14-155,275.68-40,343.16

Finding the Fourth Proportional to 103,537.14, 155,275.68 and 40,343.16

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Solution

The fourth proportional to 103,537.14, 155,275.68 and 40,343.16 is: 60,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,537.14 : 155,275.68 = 40,343.16 : x
  2. Step 2: Convert to fraction form
    103,537.14/155,275.68 = 40,343.16/x
  3. Step 3: Cross multiply
    103,537.14x = 155,275.68 × 40,343.16
  4. Step 4: Simplify right side
    103,537.14x = 6,264,312,335.92
  5. Step 5: Solve for x
    x = 6,264,312,335.92/103,537.14
  6. Step 6: Final answer
    x = 60,503.05

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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.