Home / 90,316.73-124,628.50-50,029.63

Finding the Fourth Proportional to 90,316.73, 124,628.50 and 50,029.63

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Solution

The fourth proportional to 90,316.73, 124,628.50 and 50,029.63 is: 69,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,316.73 : 124,628.50 = 50,029.63 : x
  2. Step 2: Convert to fraction form
    90,316.73/124,628.50 = 50,029.63/x
  3. Step 3: Cross multiply
    90,316.73x = 124,628.50 × 50,029.63
  4. Step 4: Simplify right side
    90,316.73x = 6,235,117,305.81
  5. Step 5: Solve for x
    x = 6,235,117,305.81/90,316.73
  6. Step 6: Final answer
    x = 69,036.13

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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.