Home / 117,710.17-162,441.80-63,995.06

Finding the Fourth Proportional to 117,710.17, 162,441.80 and 63,995.06

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Solution

The fourth proportional to 117,710.17, 162,441.80 and 63,995.06 is: 88,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,710.17 : 162,441.80 = 63,995.06 : x
  2. Step 2: Convert to fraction form
    117,710.17/162,441.80 = 63,995.06/x
  3. Step 3: Cross multiply
    117,710.17x = 162,441.80 × 63,995.06
  4. Step 4: Simplify right side
    117,710.17x = 10,395,473,303.60
  5. Step 5: Solve for x
    x = 10,395,473,303.60/117,710.17
  6. Step 6: Final answer
    x = 88,314.15

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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.