Home / 88,065.98-121,544.40-56,256.08

Finding the Fourth Proportional to 88,065.98, 121,544.40 and 56,256.08

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Solution

The fourth proportional to 88,065.98, 121,544.40 and 56,256.08 is: 77,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,065.98 : 121,544.40 = 56,256.08 : x
  2. Step 2: Convert to fraction form
    88,065.98/121,544.40 = 56,256.08/x
  3. Step 3: Cross multiply
    88,065.98x = 121,544.40 × 56,256.08
  4. Step 4: Simplify right side
    88,065.98x = 6,837,611,489.95
  5. Step 5: Solve for x
    x = 6,837,611,489.95/88,065.98
  6. Step 6: Final answer
    x = 77,641.92

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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.