Home / 88,185.61-121,697.55-47,899.40

Finding the Fourth Proportional to 88,185.61, 121,697.55 and 47,899.40

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Solution

The fourth proportional to 88,185.61, 121,697.55 and 47,899.40 is: 66,101.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,185.61 : 121,697.55 = 47,899.40 : x
  2. Step 2: Convert to fraction form
    88,185.61/121,697.55 = 47,899.40/x
  3. Step 3: Cross multiply
    88,185.61x = 121,697.55 × 47,899.40
  4. Step 4: Simplify right side
    88,185.61x = 5,829,239,626.47
  5. Step 5: Solve for x
    x = 5,829,239,626.47/88,185.61
  6. Step 6: Final answer
    x = 66,101.94

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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.