Home / 74,661.48-112,011.12-22,070.88

Finding the Fourth Proportional to 74,661.48, 112,011.12 and 22,070.88

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Solution

The fourth proportional to 74,661.48, 112,011.12 and 22,070.88 is: 33,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,661.48 : 112,011.12 = 22,070.88 : x
  2. Step 2: Convert to fraction form
    74,661.48/112,011.12 = 22,070.88/x
  3. Step 3: Cross multiply
    74,661.48x = 112,011.12 × 22,070.88
  4. Step 4: Simplify right side
    74,661.48x = 2,472,183,988.19
  5. Step 5: Solve for x
    x = 2,472,183,988.19/74,661.48
  6. Step 6: Final answer
    x = 33,111.91

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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.