Home / 75,802.12-104,606.70-42,268.12

Finding the Fourth Proportional to 75,802.12, 104,606.70 and 42,268.12

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Solution

The fourth proportional to 75,802.12, 104,606.70 and 42,268.12 is: 58,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,802.12 : 104,606.70 = 42,268.12 : x
  2. Step 2: Convert to fraction form
    75,802.12/104,606.70 = 42,268.12/x
  3. Step 3: Cross multiply
    75,802.12x = 104,606.70 × 42,268.12
  4. Step 4: Simplify right side
    75,802.12x = 4,421,528,548.40
  5. Step 5: Solve for x
    x = 4,421,528,548.40/75,802.12
  6. Step 6: Final answer
    x = 58,329.88

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1.5x scale

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.