Home / 90,219.36-124,461.18-58,398.48

Finding the Fourth Proportional to 90,219.36, 124,461.18 and 58,398.48

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Solution

The fourth proportional to 90,219.36, 124,461.18 and 58,398.48 is: 80,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219.36 : 124,461.18 = 58,398.48 : x
  2. Step 2: Convert to fraction form
    90,219.36/124,461.18 = 58,398.48/x
  3. Step 3: Cross multiply
    90,219.36x = 124,461.18 × 58,398.48
  4. Step 4: Simplify right side
    90,219.36x = 7,268,343,731.01
  5. Step 5: Solve for x
    x = 7,268,343,731.01/90,219.36
  6. Step 6: Final answer
    x = 80,563.02

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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.