Home / 89,237.76-133,803.17-28,421.74

Finding the Fourth Proportional to 89,237.76, 133,803.17 and 28,421.74

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Solution

The fourth proportional to 89,237.76, 133,803.17 and 28,421.74 is: 42,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,237.76 : 133,803.17 = 28,421.74 : x
  2. Step 2: Convert to fraction form
    89,237.76/133,803.17 = 28,421.74/x
  3. Step 3: Cross multiply
    89,237.76x = 133,803.17 × 28,421.74
  4. Step 4: Simplify right side
    89,237.76x = 3,802,918,908.92
  5. Step 5: Solve for x
    x = 3,802,918,908.92/89,237.76
  6. Step 6: Final answer
    x = 42,615.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.