Home / 90,750.06-125,216.73-53,017.02

Finding the Fourth Proportional to 90,750.06, 125,216.73 and 53,017.02

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Solution

The fourth proportional to 90,750.06, 125,216.73 and 53,017.02 is: 73,152.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,750.06 : 125,216.73 = 53,017.02 : x
  2. Step 2: Convert to fraction form
    90,750.06/125,216.73 = 53,017.02/x
  3. Step 3: Cross multiply
    90,750.06x = 125,216.73 × 53,017.02
  4. Step 4: Simplify right side
    90,750.06x = 6,638,617,878.74
  5. Step 5: Solve for x
    x = 6,638,617,878.74/90,750.06
  6. Step 6: Final answer
    x = 73,152.77

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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.