Home / 90,416.35-124,768.47-52,177.49

Finding the Fourth Proportional to 90,416.35, 124,768.47 and 52,177.49

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Solution

The fourth proportional to 90,416.35, 124,768.47 and 52,177.49 is: 72,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,416.35 : 124,768.47 = 52,177.49 : x
  2. Step 2: Convert to fraction form
    90,416.35/124,768.47 = 52,177.49/x
  3. Step 3: Cross multiply
    90,416.35x = 124,768.47 × 52,177.49
  4. Step 4: Simplify right side
    90,416.35x = 6,510,105,595.74
  5. Step 5: Solve for x
    x = 6,510,105,595.74/90,416.35
  6. Step 6: Final answer
    x = 72,001.42

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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.