Home / 75,005.55-112,508.33-69,538.05

Finding the Fourth Proportional to 75,005.55, 112,508.33 and 69,538.05

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Solution

The fourth proportional to 75,005.55, 112,508.33 and 69,538.05 is: 104,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,005.55 : 112,508.33 = 69,538.05 : x
  2. Step 2: Convert to fraction form
    75,005.55/112,508.33 = 69,538.05/x
  3. Step 3: Cross multiply
    75,005.55x = 112,508.33 × 69,538.05
  4. Step 4: Simplify right side
    75,005.55x = 7,823,609,529.27
  5. Step 5: Solve for x
    x = 7,823,609,529.27/75,005.55
  6. Step 6: Final answer
    x = 104,307.08

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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.