Home / 75,365.64-112,969.08-25,398.36

Finding the Fourth Proportional to 75,365.64, 112,969.08 and 25,398.36

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Solution

The fourth proportional to 75,365.64, 112,969.08 and 25,398.36 is: 38,070.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,365.64 : 112,969.08 = 25,398.36 : x
  2. Step 2: Convert to fraction form
    75,365.64/112,969.08 = 25,398.36/x
  3. Step 3: Cross multiply
    75,365.64x = 112,969.08 × 25,398.36
  4. Step 4: Simplify right side
    75,365.64x = 2,869,229,362.71
  5. Step 5: Solve for x
    x = 2,869,229,362.71/75,365.64
  6. Step 6: Final answer
    x = 38,070.79

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1.5x scale

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.