Home / 85,437.23-117,904.16-49,628.75

Finding the Fourth Proportional to 85,437.23, 117,904.16 and 49,628.75

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Solution

The fourth proportional to 85,437.23, 117,904.16 and 49,628.75 is: 68,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,437.23 : 117,904.16 = 49,628.75 : x
  2. Step 2: Convert to fraction form
    85,437.23/117,904.16 = 49,628.75/x
  3. Step 3: Cross multiply
    85,437.23x = 117,904.16 × 49,628.75
  4. Step 4: Simplify right side
    85,437.23x = 5,851,435,832.46
  5. Step 5: Solve for x
    x = 5,851,435,832.46/85,437.23
  6. Step 6: Final answer
    x = 68,488.13

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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.