Home / 90,801.02-125,303.51-50,513.91

Finding the Fourth Proportional to 90,801.02, 125,303.51 and 50,513.91

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Solution

The fourth proportional to 90,801.02, 125,303.51 and 50,513.91 is: 69,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,801.02 : 125,303.51 = 50,513.91 : x
  2. Step 2: Convert to fraction form
    90,801.02/125,303.51 = 50,513.91/x
  3. Step 3: Cross multiply
    90,801.02x = 125,303.51 × 50,513.91
  4. Step 4: Simplify right side
    90,801.02x = 6,329,569,974.25
  5. Step 5: Solve for x
    x = 6,329,569,974.25/90,801.02
  6. Step 6: Final answer
    x = 69,708.14

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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.