Home / 90,307.10-124,618.29-50,018.46

Finding the Fourth Proportional to 90,307.10, 124,618.29 and 50,018.46

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Solution

The fourth proportional to 90,307.10, 124,618.29 and 50,018.46 is: 69,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,307.10 : 124,618.29 = 50,018.46 : x
  2. Step 2: Convert to fraction form
    90,307.10/124,618.29 = 50,018.46/x
  3. Step 3: Cross multiply
    90,307.10x = 124,618.29 × 50,018.46
  4. Step 4: Simplify right side
    90,307.10x = 6,233,214,953.63
  5. Step 5: Solve for x
    x = 6,233,214,953.63/90,307.10
  6. Step 6: Final answer
    x = 69,022.43

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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.