Home / 89,349.34-133,689.02-53,193.55

Finding the Fourth Proportional to 89,349.34, 133,689.02 and 53,193.55

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Solution

The fourth proportional to 89,349.34, 133,689.02 and 53,193.55 is: 79,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,349.34 : 133,689.02 = 53,193.55 : x
  2. Step 2: Convert to fraction form
    89,349.34/133,689.02 = 53,193.55/x
  3. Step 3: Cross multiply
    89,349.34x = 133,689.02 × 53,193.55
  4. Step 4: Simplify right side
    89,349.34x = 7,111,392,901.38
  5. Step 5: Solve for x
    x = 7,111,392,901.38/89,349.34
  6. Step 6: Final answer
    x = 79,590.89

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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.