Home / 98,770.41-136,305.50-56,328.03

Finding the Fourth Proportional to 98,770.41, 136,305.50 and 56,328.03

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Solution

The fourth proportional to 98,770.41, 136,305.50 and 56,328.03 is: 77,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,770.41 : 136,305.50 = 56,328.03 : x
  2. Step 2: Convert to fraction form
    98,770.41/136,305.50 = 56,328.03/x
  3. Step 3: Cross multiply
    98,770.41x = 136,305.50 × 56,328.03
  4. Step 4: Simplify right side
    98,770.41x = 7,677,820,293.17
  5. Step 5: Solve for x
    x = 7,677,820,293.17/98,770.41
  6. Step 6: Final answer
    x = 77,734.01

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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.