Home / 66,435.15-99,541.80-46,678.35

Finding the Fourth Proportional to 66,435.15, 99,541.80 and 46,678.35

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Solution

The fourth proportional to 66,435.15, 99,541.80 and 46,678.35 is: 69,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435.15 : 99,541.80 = 46,678.35 : x
  2. Step 2: Convert to fraction form
    66,435.15/99,541.80 = 46,678.35/x
  3. Step 3: Cross multiply
    66,435.15x = 99,541.80 × 46,678.35
  4. Step 4: Simplify right side
    66,435.15x = 4,646,446,980.03
  5. Step 5: Solve for x
    x = 4,646,446,980.03/66,435.15
  6. Step 6: Final answer
    x = 69,939.59

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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.