Home / 66,879.46-92,278.48-45,372.13

Finding the Fourth Proportional to 66,879.46, 92,278.48 and 45,372.13

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Solution

The fourth proportional to 66,879.46, 92,278.48 and 45,372.13 is: 62,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,879.46 : 92,278.48 = 45,372.13 : x
  2. Step 2: Convert to fraction form
    66,879.46/92,278.48 = 45,372.13/x
  3. Step 3: Cross multiply
    66,879.46x = 92,278.48 × 45,372.13
  4. Step 4: Simplify right side
    66,879.46x = 4,186,871,190.76
  5. Step 5: Solve for x
    x = 4,186,871,190.76/66,879.46
  6. Step 6: Final answer
    x = 62,603.24

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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.