Home / 103,619.02-155,428.53-37,055.11

Finding the Fourth Proportional to 103,619.02, 155,428.53 and 37,055.11

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Solution

The fourth proportional to 103,619.02, 155,428.53 and 37,055.11 is: 55,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,619.02 : 155,428.53 = 37,055.11 : x
  2. Step 2: Convert to fraction form
    103,619.02/155,428.53 = 37,055.11/x
  3. Step 3: Cross multiply
    103,619.02x = 155,428.53 × 37,055.11
  4. Step 4: Simplify right side
    103,619.02x = 5,759,421,276.29
  5. Step 5: Solve for x
    x = 5,759,421,276.29/103,619.02
  6. Step 6: Final answer
    x = 55,582.67

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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.