Home / 85,927.31-118,569.95-47,676.90

Finding the Fourth Proportional to 85,927.31, 118,569.95 and 47,676.90

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Solution

The fourth proportional to 85,927.31, 118,569.95 and 47,676.90 is: 65,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,927.31 : 118,569.95 = 47,676.90 : x
  2. Step 2: Convert to fraction form
    85,927.31/118,569.95 = 47,676.90/x
  3. Step 3: Cross multiply
    85,927.31x = 118,569.95 × 47,676.90
  4. Step 4: Simplify right side
    85,927.31x = 5,653,048,168.29
  5. Step 5: Solve for x
    x = 5,653,048,168.29/85,927.31
  6. Step 6: Final answer
    x = 65,788.73

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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.