Home / 90,307.22-124,618.47-50,018.59

Finding the Fourth Proportional to 90,307.22, 124,618.47 and 50,018.59

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Solution

The fourth proportional to 90,307.22, 124,618.47 and 50,018.59 is: 69,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,307.22 : 124,618.47 = 50,018.59 : x
  2. Step 2: Convert to fraction form
    90,307.22/124,618.47 = 50,018.59/x
  3. Step 3: Cross multiply
    90,307.22x = 124,618.47 × 50,018.59
  4. Step 4: Simplify right side
    90,307.22x = 6,233,239,534.26
  5. Step 5: Solve for x
    x = 6,233,239,534.26/90,307.22
  6. Step 6: Final answer
    x = 69,022.60

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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.