Home / 99,775.86-137,708.26-59,492.10

Finding the Fourth Proportional to 99,775.86, 137,708.26 and 59,492.10

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Solution

The fourth proportional to 99,775.86, 137,708.26 and 59,492.10 is: 82,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,775.86 : 137,708.26 = 59,492.10 : x
  2. Step 2: Convert to fraction form
    99,775.86/137,708.26 = 59,492.10/x
  3. Step 3: Cross multiply
    99,775.86x = 137,708.26 × 59,492.10
  4. Step 4: Simplify right side
    99,775.86x = 8,192,553,574.75
  5. Step 5: Solve for x
    x = 8,192,553,574.75/99,775.86
  6. Step 6: Final answer
    x = 82,109.58

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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.