Home / 89,030.13-133,452.90-55,673.63

Finding the Fourth Proportional to 89,030.13, 133,452.90 and 55,673.63

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Solution

The fourth proportional to 89,030.13, 133,452.90 and 55,673.63 is: 83,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,030.13 : 133,452.90 = 55,673.63 : x
  2. Step 2: Convert to fraction form
    89,030.13/133,452.90 = 55,673.63/x
  3. Step 3: Cross multiply
    89,030.13x = 133,452.90 × 55,673.63
  4. Step 4: Simplify right side
    89,030.13x = 7,429,806,709.76
  5. Step 5: Solve for x
    x = 7,429,806,709.76/89,030.13
  6. Step 6: Final answer
    x = 83,452.72

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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.