Home / 75,030.95-103,551.64-43,206.05

Finding the Fourth Proportional to 75,030.95, 103,551.64 and 43,206.05

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Solution

The fourth proportional to 75,030.95, 103,551.64 and 43,206.05 is: 59,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,030.95 : 103,551.64 = 43,206.05 : x
  2. Step 2: Convert to fraction form
    75,030.95/103,551.64 = 43,206.05/x
  3. Step 3: Cross multiply
    75,030.95x = 103,551.64 × 43,206.05
  4. Step 4: Simplify right side
    75,030.95x = 4,474,057,335.42
  5. Step 5: Solve for x
    x = 4,474,057,335.42/75,030.95
  6. Step 6: Final answer
    x = 59,629.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.