Home / 103,828.34-155,742.51-59,424.14

Finding the Fourth Proportional to 103,828.34, 155,742.51 and 59,424.14

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Solution

The fourth proportional to 103,828.34, 155,742.51 and 59,424.14 is: 89,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,828.34 : 155,742.51 = 59,424.14 : x
  2. Step 2: Convert to fraction form
    103,828.34/155,742.51 = 59,424.14/x
  3. Step 3: Cross multiply
    103,828.34x = 155,742.51 × 59,424.14
  4. Step 4: Simplify right side
    103,828.34x = 9,254,864,718.19
  5. Step 5: Solve for x
    x = 9,254,864,718.19/103,828.34
  6. Step 6: Final answer
    x = 89,136.21

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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.