Home / 98,641.09-136,124.43-56,199.92

Finding the Fourth Proportional to 98,641.09, 136,124.43 and 56,199.92

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Solution

The fourth proportional to 98,641.09, 136,124.43 and 56,199.92 is: 77,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,641.09 : 136,124.43 = 56,199.92 : x
  2. Step 2: Convert to fraction form
    98,641.09/136,124.43 = 56,199.92/x
  3. Step 3: Cross multiply
    98,641.09x = 136,124.43 × 56,199.92
  4. Step 4: Simplify right side
    98,641.09x = 7,650,182,076.05
  5. Step 5: Solve for x
    x = 7,650,182,076.05/98,641.09
  6. Step 6: Final answer
    x = 77,555.73

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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.