Home / 84,074.52-116,070.36-55,818.84

Finding the Fourth Proportional to 84,074.52, 116,070.36 and 55,818.84

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Solution

The fourth proportional to 84,074.52, 116,070.36 and 55,818.84 is: 77,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,074.52 : 116,070.36 = 55,818.84 : x
  2. Step 2: Convert to fraction form
    84,074.52/116,070.36 = 55,818.84/x
  3. Step 3: Cross multiply
    84,074.52x = 116,070.36 × 55,818.84
  4. Step 4: Simplify right side
    84,074.52x = 6,478,912,853.58
  5. Step 5: Solve for x
    x = 6,478,912,853.58/84,074.52
  6. Step 6: Final answer
    x = 77,061.55

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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.