Home / 112,695.84-155,530.80-62,411.04

Finding the Fourth Proportional to 112,695.84, 155,530.80 and 62,411.04

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Solution

The fourth proportional to 112,695.84, 155,530.80 and 62,411.04 is: 86,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,695.84 : 155,530.80 = 62,411.04 : x
  2. Step 2: Convert to fraction form
    112,695.84/155,530.80 = 62,411.04/x
  3. Step 3: Cross multiply
    112,695.84x = 155,530.80 × 62,411.04
  4. Step 4: Simplify right side
    112,695.84x = 9,706,838,980.03
  5. Step 5: Solve for x
    x = 9,706,838,980.03/112,695.84
  6. Step 6: Final answer
    x = 86,133.07

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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.