Home / 112,718.66-155,549.85-62,416.58

Finding the Fourth Proportional to 112,718.66, 155,549.85 and 62,416.58

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Solution

The fourth proportional to 112,718.66, 155,549.85 and 62,416.58 is: 86,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,718.66 : 155,549.85 = 62,416.58 : x
  2. Step 2: Convert to fraction form
    112,718.66/155,549.85 = 62,416.58/x
  3. Step 3: Cross multiply
    112,718.66x = 155,549.85 × 62,416.58
  4. Step 4: Simplify right side
    112,718.66x = 9,708,889,656.51
  5. Step 5: Solve for x
    x = 9,708,889,656.51/112,718.66
  6. Step 6: Final answer
    x = 86,133.83

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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.