Home / 81,752.11-112,814.34-45,941.35

Finding the Fourth Proportional to 81,752.11, 112,814.34 and 45,941.35

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Solution

The fourth proportional to 81,752.11, 112,814.34 and 45,941.35 is: 63,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,752.11 : 112,814.34 = 45,941.35 : x
  2. Step 2: Convert to fraction form
    81,752.11/112,814.34 = 45,941.35/x
  3. Step 3: Cross multiply
    81,752.11x = 112,814.34 × 45,941.35
  4. Step 4: Simplify right side
    81,752.11x = 5,182,843,541.09
  5. Step 5: Solve for x
    x = 5,182,843,541.09/81,752.11
  6. Step 6: Final answer
    x = 63,397.06

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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.