Home / 112,001.82-154,567.35-63,602.77

Finding the Fourth Proportional to 112,001.82, 154,567.35 and 63,602.77

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Solution

The fourth proportional to 112,001.82, 154,567.35 and 63,602.77 is: 87,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,001.82 : 154,567.35 = 63,602.77 : x
  2. Step 2: Convert to fraction form
    112,001.82/154,567.35 = 63,602.77/x
  3. Step 3: Cross multiply
    112,001.82x = 154,567.35 × 63,602.77
  4. Step 4: Simplify right side
    112,001.82x = 9,830,911,611.56
  5. Step 5: Solve for x
    x = 9,830,911,611.56/112,001.82
  6. Step 6: Final answer
    x = 87,774.57

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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.