Home / 81,296.04-112,197-47,301.84

Finding the Fourth Proportional to 81,296.04, 112,197 and 47,301.84

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Solution

The fourth proportional to 81,296.04, 112,197 and 47,301.84 is: 65,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,296.04 : 112,197 = 47,301.84 : x
  2. Step 2: Convert to fraction form
    81,296.04/112,197 = 47,301.84/x
  3. Step 3: Cross multiply
    81,296.04x = 112,197 × 47,301.84
  4. Step 4: Simplify right side
    81,296.04x = 5,307,124,542.48
  5. Step 5: Solve for x
    x = 5,307,124,542.48/81,296.04
  6. Step 6: Final answer
    x = 65,281.46

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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.