Home / 75,032.64-113,111.04-69,959.04

Finding the Fourth Proportional to 75,032.64, 113,111.04 and 69,959.04

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Solution

The fourth proportional to 75,032.64, 113,111.04 and 69,959.04 is: 105,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,032.64 : 113,111.04 = 69,959.04 : x
  2. Step 2: Convert to fraction form
    75,032.64/113,111.04 = 69,959.04/x
  3. Step 3: Cross multiply
    75,032.64x = 113,111.04 × 69,959.04
  4. Step 4: Simplify right side
    75,032.64x = 7,913,139,771.80
  5. Step 5: Solve for x
    x = 7,913,139,771.80/75,032.64
  6. Step 6: Final answer
    x = 105,462.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.