Home / 60,421.83-90,642.47-25,371.51

Finding the Fourth Proportional to 60,421.83, 90,642.47 and 25,371.51

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Solution

The fourth proportional to 60,421.83, 90,642.47 and 25,371.51 is: 38,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,421.83 : 90,642.47 = 25,371.51 : x
  2. Step 2: Convert to fraction form
    60,421.83/90,642.47 = 25,371.51/x
  3. Step 3: Cross multiply
    60,421.83x = 90,642.47 × 25,371.51
  4. Step 4: Simplify right side
    60,421.83x = 2,299,736,207.17
  5. Step 5: Solve for x
    x = 2,299,736,207.17/60,421.83
  6. Step 6: Final answer
    x = 38,061.35

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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.