Home / 71,960.09-99,332.28-54,106.94

Finding the Fourth Proportional to 71,960.09, 99,332.28 and 54,106.94

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Solution

The fourth proportional to 71,960.09, 99,332.28 and 54,106.94 is: 74,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,960.09 : 99,332.28 = 54,106.94 : x
  2. Step 2: Convert to fraction form
    71,960.09/99,332.28 = 54,106.94/x
  3. Step 3: Cross multiply
    71,960.09x = 99,332.28 × 54,106.94
  4. Step 4: Simplify right side
    71,960.09x = 5,374,565,714.02
  5. Step 5: Solve for x
    x = 5,374,565,714.02/71,960.09
  6. Step 6: Final answer
    x = 74,688.15

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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.