Home / 88,486.88-122,112.06-52,678.13

Finding the Fourth Proportional to 88,486.88, 122,112.06 and 52,678.13

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Solution

The fourth proportional to 88,486.88, 122,112.06 and 52,678.13 is: 72,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,486.88 : 122,112.06 = 52,678.13 : x
  2. Step 2: Convert to fraction form
    88,486.88/122,112.06 = 52,678.13/x
  3. Step 3: Cross multiply
    88,486.88x = 122,112.06 × 52,678.13
  4. Step 4: Simplify right side
    88,486.88x = 6,432,634,971.25
  5. Step 5: Solve for x
    x = 6,432,634,971.25/88,486.88
  6. Step 6: Final answer
    x = 72,695.92

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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.