Home / 66,515.05-99,772.58-47,925.55

Finding the Fourth Proportional to 66,515.05, 99,772.58 and 47,925.55

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Solution

The fourth proportional to 66,515.05, 99,772.58 and 47,925.55 is: 71,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,515.05 : 99,772.58 = 47,925.55 : x
  2. Step 2: Convert to fraction form
    66,515.05/99,772.58 = 47,925.55/x
  3. Step 3: Cross multiply
    66,515.05x = 99,772.58 × 47,925.55
  4. Step 4: Simplify right side
    66,515.05x = 4,781,655,531.79
  5. Step 5: Solve for x
    x = 4,781,655,531.79/66,515.05
  6. Step 6: Final answer
    x = 71,888.33

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1.5x scale

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.