Home / 84,238.17-125,712.54-75,252.60

Finding the Fourth Proportional to 84,238.17, 125,712.54 and 75,252.60

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Solution

The fourth proportional to 84,238.17, 125,712.54 and 75,252.60 is: 112,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,238.17 : 125,712.54 = 75,252.60 : x
  2. Step 2: Convert to fraction form
    84,238.17/125,712.54 = 75,252.60/x
  3. Step 3: Cross multiply
    84,238.17x = 125,712.54 × 75,252.60
  4. Step 4: Simplify right side
    84,238.17x = 9,460,195,417.26
  5. Step 5: Solve for x
    x = 9,460,195,417.26/84,238.17
  6. Step 6: Final answer
    x = 112,302.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.