Home / 85,942.64-118,599.06-47,699.95

Finding the Fourth Proportional to 85,942.64, 118,599.06 and 47,699.95

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Solution

The fourth proportional to 85,942.64, 118,599.06 and 47,699.95 is: 65,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,942.64 : 118,599.06 = 47,699.95 : x
  2. Step 2: Convert to fraction form
    85,942.64/118,599.06 = 47,699.95/x
  3. Step 3: Cross multiply
    85,942.64x = 118,599.06 × 47,699.95
  4. Step 4: Simplify right side
    85,942.64x = 5,657,168,734.93
  5. Step 5: Solve for x
    x = 5,657,168,734.93/85,942.64
  6. Step 6: Final answer
    x = 65,824.93

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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.