Home / 110,870.16-153,012.96-63,115.80

Finding the Fourth Proportional to 110,870.16, 153,012.96 and 63,115.80

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Solution

The fourth proportional to 110,870.16, 153,012.96 and 63,115.80 is: 87,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,870.16 : 153,012.96 = 63,115.80 : x
  2. Step 2: Convert to fraction form
    110,870.16/153,012.96 = 63,115.80/x
  3. Step 3: Cross multiply
    110,870.16x = 153,012.96 × 63,115.80
  4. Step 4: Simplify right side
    110,870.16x = 9,657,535,380.77
  5. Step 5: Solve for x
    x = 9,657,535,380.77/110,870.16
  6. Step 6: Final answer
    x = 87,106.71

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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.