Home / 112,706.13-155,534.40-62,405.13

Finding the Fourth Proportional to 112,706.13, 155,534.40 and 62,405.13

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Solution

The fourth proportional to 112,706.13, 155,534.40 and 62,405.13 is: 86,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,706.13 : 155,534.40 = 62,405.13 : x
  2. Step 2: Convert to fraction form
    112,706.13/155,534.40 = 62,405.13/x
  3. Step 3: Cross multiply
    112,706.13x = 155,534.40 × 62,405.13
  4. Step 4: Simplify right side
    112,706.13x = 9,706,144,451.47
  5. Step 5: Solve for x
    x = 9,706,144,451.47/112,706.13
  6. Step 6: Final answer
    x = 86,119.05

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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.