Home / 84,971.52-127,455.12-22,641.84

Finding the Fourth Proportional to 84,971.52, 127,455.12 and 22,641.84

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Solution

The fourth proportional to 84,971.52, 127,455.12 and 22,641.84 is: 33,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,971.52 : 127,455.12 = 22,641.84 : x
  2. Step 2: Convert to fraction form
    84,971.52/127,455.12 = 22,641.84/x
  3. Step 3: Cross multiply
    84,971.52x = 127,455.12 × 22,641.84
  4. Step 4: Simplify right side
    84,971.52x = 2,885,818,434.22
  5. Step 5: Solve for x
    x = 2,885,818,434.22/84,971.52
  6. Step 6: Final answer
    x = 33,962.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.