Home / 75,823.72-104,638.98-42,289

Finding the Fourth Proportional to 75,823.72, 104,638.98 and 42,289

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Solution

The fourth proportional to 75,823.72, 104,638.98 and 42,289 is: 58,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,823.72 : 104,638.98 = 42,289 : x
  2. Step 2: Convert to fraction form
    75,823.72/104,638.98 = 42,289/x
  3. Step 3: Cross multiply
    75,823.72x = 104,638.98 × 42,289
  4. Step 4: Simplify right side
    75,823.72x = 4,425,077,825.22
  5. Step 5: Solve for x
    x = 4,425,077,825.22/75,823.72
  6. Step 6: Final answer
    x = 58,360.07

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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.