Home / 103,368.04-155,052.66-36,810.76

Finding the Fourth Proportional to 103,368.04, 155,052.66 and 36,810.76

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Solution

The fourth proportional to 103,368.04, 155,052.66 and 36,810.76 is: 55,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,368.04 : 155,052.66 = 36,810.76 : x
  2. Step 2: Convert to fraction form
    103,368.04/155,052.66 = 36,810.76/x
  3. Step 3: Cross multiply
    103,368.04x = 155,052.66 × 36,810.76
  4. Step 4: Simplify right side
    103,368.04x = 5,707,606,254.62
  5. Step 5: Solve for x
    x = 5,707,606,254.62/103,368.04
  6. Step 6: Final answer
    x = 55,216.35

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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.