Home / 112,685.84-155,504.40-62,384.84

Finding the Fourth Proportional to 112,685.84, 155,504.40 and 62,384.84

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Solution

The fourth proportional to 112,685.84, 155,504.40 and 62,384.84 is: 86,089.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,685.84 : 155,504.40 = 62,384.84 : x
  2. Step 2: Convert to fraction form
    112,685.84/155,504.40 = 62,384.84/x
  3. Step 3: Cross multiply
    112,685.84x = 155,504.40 × 62,384.84
  4. Step 4: Simplify right side
    112,685.84x = 9,701,117,113.30
  5. Step 5: Solve for x
    x = 9,701,117,113.30/112,685.84
  6. Step 6: Final answer
    x = 86,089.94

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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.