Home / 66,616.32-99,875.06-40,314.82

Finding the Fourth Proportional to 66,616.32, 99,875.06 and 40,314.82

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Solution

The fourth proportional to 66,616.32, 99,875.06 and 40,314.82 is: 60,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,616.32 : 99,875.06 = 40,314.82 : x
  2. Step 2: Convert to fraction form
    66,616.32/99,875.06 = 40,314.82/x
  3. Step 3: Cross multiply
    66,616.32x = 99,875.06 × 40,314.82
  4. Step 4: Simplify right side
    66,616.32x = 4,026,445,066.39
  5. Step 5: Solve for x
    x = 4,026,445,066.39/66,616.32
  6. Step 6: Final answer
    x = 60,442.32

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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.