Home / 66,879.39-92,278.40-45,372.07

Finding the Fourth Proportional to 66,879.39, 92,278.40 and 45,372.07

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Solution

The fourth proportional to 66,879.39, 92,278.40 and 45,372.07 is: 62,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,879.39 : 92,278.40 = 45,372.07 : x
  2. Step 2: Convert to fraction form
    66,879.39/92,278.40 = 45,372.07/x
  3. Step 3: Cross multiply
    66,879.39x = 92,278.40 × 45,372.07
  4. Step 4: Simplify right side
    66,879.39x = 4,186,862,024.29
  5. Step 5: Solve for x
    x = 4,186,862,024.29/66,879.39
  6. Step 6: Final answer
    x = 62,603.17

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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.