Home / 98,619.18-136,094.14-56,184.90

Finding the Fourth Proportional to 98,619.18, 136,094.14 and 56,184.90

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Solution

The fourth proportional to 98,619.18, 136,094.14 and 56,184.90 is: 77,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,619.18 : 136,094.14 = 56,184.90 : x
  2. Step 2: Convert to fraction form
    98,619.18/136,094.14 = 56,184.90/x
  3. Step 3: Cross multiply
    98,619.18x = 136,094.14 × 56,184.90
  4. Step 4: Simplify right side
    98,619.18x = 7,646,435,646.49
  5. Step 5: Solve for x
    x = 7,646,435,646.49/98,619.18
  6. Step 6: Final answer
    x = 77,534.97

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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.