Home / 81,330.63-112,210.70-45,514.95

Finding the Fourth Proportional to 81,330.63, 112,210.70 and 45,514.95

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Solution

The fourth proportional to 81,330.63, 112,210.70 and 45,514.95 is: 62,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,330.63 : 112,210.70 = 45,514.95 : x
  2. Step 2: Convert to fraction form
    81,330.63/112,210.70 = 45,514.95/x
  3. Step 3: Cross multiply
    81,330.63x = 112,210.70 × 45,514.95
  4. Step 4: Simplify right side
    81,330.63x = 5,107,264,172.39
  5. Step 5: Solve for x
    x = 5,107,264,172.39/81,330.63
  6. Step 6: Final answer
    x = 62,796.32

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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.