Home / 90,899.55-125,448.35-52,669.58

Finding the Fourth Proportional to 90,899.55, 125,448.35 and 52,669.58

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Solution

The fourth proportional to 90,899.55, 125,448.35 and 52,669.58 is: 72,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,899.55 : 125,448.35 = 52,669.58 : x
  2. Step 2: Convert to fraction form
    90,899.55/125,448.35 = 52,669.58/x
  3. Step 3: Cross multiply
    90,899.55x = 125,448.35 × 52,669.58
  4. Step 4: Simplify right side
    90,899.55x = 6,607,311,015.60
  5. Step 5: Solve for x
    x = 6,607,311,015.60/90,899.55
  6. Step 6: Final answer
    x = 72,688.05

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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.