Home / 89,117.55-122,970.56-53,294.49

Finding the Fourth Proportional to 89,117.55, 122,970.56 and 53,294.49

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Solution

The fourth proportional to 89,117.55, 122,970.56 and 53,294.49 is: 73,539.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,117.55 : 122,970.56 = 53,294.49 : x
  2. Step 2: Convert to fraction form
    89,117.55/122,970.56 = 53,294.49/x
  3. Step 3: Cross multiply
    89,117.55x = 122,970.56 × 53,294.49
  4. Step 4: Simplify right side
    89,117.55x = 6,553,653,013.74
  5. Step 5: Solve for x
    x = 6,553,653,013.74/89,117.55
  6. Step 6: Final answer
    x = 73,539.42

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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.