Home / 81,416.24-112,352.74-45,117.38

Finding the Fourth Proportional to 81,416.24, 112,352.74 and 45,117.38

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Solution

The fourth proportional to 81,416.24, 112,352.74 and 45,117.38 is: 62,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,416.24 : 112,352.74 = 45,117.38 : x
  2. Step 2: Convert to fraction form
    81,416.24/112,352.74 = 45,117.38/x
  3. Step 3: Cross multiply
    81,416.24x = 112,352.74 × 45,117.38
  4. Step 4: Simplify right side
    81,416.24x = 5,069,061,264.62
  5. Step 5: Solve for x
    x = 5,069,061,264.62/81,416.24
  6. Step 6: Final answer
    x = 62,261.06

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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.