Home / 90,881.35-125,415.07-52,646.11

Finding the Fourth Proportional to 90,881.35, 125,415.07 and 52,646.11

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Solution

The fourth proportional to 90,881.35, 125,415.07 and 52,646.11 is: 72,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,881.35 : 125,415.07 = 52,646.11 : x
  2. Step 2: Convert to fraction form
    90,881.35/125,415.07 = 52,646.11/x
  3. Step 3: Cross multiply
    90,881.35x = 125,415.07 × 52,646.11
  4. Step 4: Simplify right side
    90,881.35x = 6,602,615,570.88
  5. Step 5: Solve for x
    x = 6,602,615,570.88/90,881.35
  6. Step 6: Final answer
    x = 72,650.94

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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.