Home / 66,693.84-99,930-46,931.04

Finding the Fourth Proportional to 66,693.84, 99,930 and 46,931.04

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Solution

The fourth proportional to 66,693.84, 99,930 and 46,931.04 is: 70,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,693.84 : 99,930 = 46,931.04 : x
  2. Step 2: Convert to fraction form
    66,693.84/99,930 = 46,931.04/x
  3. Step 3: Cross multiply
    66,693.84x = 99,930 × 46,931.04
  4. Step 4: Simplify right side
    66,693.84x = 4,689,818,827.20
  5. Step 5: Solve for x
    x = 4,689,818,827.20/66,693.84
  6. Step 6: Final answer
    x = 70,318.62

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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.