Home / 112,962.63-155,888.52-62,661.63

Finding the Fourth Proportional to 112,962.63, 155,888.52 and 62,661.63

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Solution

The fourth proportional to 112,962.63, 155,888.52 and 62,661.63 is: 86,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,962.63 : 155,888.52 = 62,661.63 : x
  2. Step 2: Convert to fraction form
    112,962.63/155,888.52 = 62,661.63/x
  3. Step 3: Cross multiply
    112,962.63x = 155,888.52 × 62,661.63
  4. Step 4: Simplify right side
    112,962.63x = 9,768,228,761.49
  5. Step 5: Solve for x
    x = 9,768,228,761.49/112,962.63
  6. Step 6: Final answer
    x = 86,473.10

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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.