Home / 84,110.40-116,070.86-45,870.23

Finding the Fourth Proportional to 84,110.40, 116,070.86 and 45,870.23

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Solution

The fourth proportional to 84,110.40, 116,070.86 and 45,870.23 is: 63,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,110.40 : 116,070.86 = 45,870.23 : x
  2. Step 2: Convert to fraction form
    84,110.40/116,070.86 = 45,870.23/x
  3. Step 3: Cross multiply
    84,110.40x = 116,070.86 × 45,870.23
  4. Step 4: Simplify right side
    84,110.40x = 5,324,197,449.35
  5. Step 5: Solve for x
    x = 5,324,197,449.35/84,110.40
  6. Step 6: Final answer
    x = 63,300.11

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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.