Home / 83,655.23-115,465.52-47,856.47

Finding the Fourth Proportional to 83,655.23, 115,465.52 and 47,856.47

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Solution

The fourth proportional to 83,655.23, 115,465.52 and 47,856.47 is: 66,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,655.23 : 115,465.52 = 47,856.47 : x
  2. Step 2: Convert to fraction form
    83,655.23/115,465.52 = 47,856.47/x
  3. Step 3: Cross multiply
    83,655.23x = 115,465.52 × 47,856.47
  4. Step 4: Simplify right side
    83,655.23x = 5,525,771,377.30
  5. Step 5: Solve for x
    x = 5,525,771,377.30/83,655.23
  6. Step 6: Final answer
    x = 66,054.11

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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.