Home / 60,638.46-90,637.37-52,677.78

Finding the Fourth Proportional to 60,638.46, 90,637.37 and 52,677.78

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Solution

The fourth proportional to 60,638.46, 90,637.37 and 52,677.78 is: 78,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,638.46 : 90,637.37 = 52,677.78 : x
  2. Step 2: Convert to fraction form
    60,638.46/90,637.37 = 52,677.78/x
  3. Step 3: Cross multiply
    60,638.46x = 90,637.37 × 52,677.78
  4. Step 4: Simplify right side
    60,638.46x = 4,774,575,173.25
  5. Step 5: Solve for x
    x = 4,774,575,173.25/60,638.46
  6. Step 6: Final answer
    x = 78,738.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.