Home / 84,864.32-117,134.16-49,075.04

Finding the Fourth Proportional to 84,864.32, 117,134.16 and 49,075.04

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Solution

The fourth proportional to 84,864.32, 117,134.16 and 49,075.04 is: 67,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,864.32 : 117,134.16 = 49,075.04 : x
  2. Step 2: Convert to fraction form
    84,864.32/117,134.16 = 49,075.04/x
  3. Step 3: Cross multiply
    84,864.32x = 117,134.16 × 49,075.04
  4. Step 4: Simplify right side
    84,864.32x = 5,748,363,587.37
  5. Step 5: Solve for x
    x = 5,748,363,587.37/84,864.32
  6. Step 6: Final answer
    x = 67,735.93

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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.