Home / 81,506.08-112,483.02-45,707.56

Finding the Fourth Proportional to 81,506.08, 112,483.02 and 45,707.56

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Solution

The fourth proportional to 81,506.08, 112,483.02 and 45,707.56 is: 63,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,506.08 : 112,483.02 = 45,707.56 : x
  2. Step 2: Convert to fraction form
    81,506.08/112,483.02 = 45,707.56/x
  3. Step 3: Cross multiply
    81,506.08x = 112,483.02 × 45,707.56
  4. Step 4: Simplify right side
    81,506.08x = 5,141,324,385.63
  5. Step 5: Solve for x
    x = 5,141,324,385.63/81,506.08
  6. Step 6: Final answer
    x = 63,079.03

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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.