Home / 90,027.67-124,132.80-61,364.30

Finding the Fourth Proportional to 90,027.67, 124,132.80 and 61,364.30

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Solution

The fourth proportional to 90,027.67, 124,132.80 and 61,364.30 is: 84,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,027.67 : 124,132.80 = 61,364.30 : x
  2. Step 2: Convert to fraction form
    90,027.67/124,132.80 = 61,364.30/x
  3. Step 3: Cross multiply
    90,027.67x = 124,132.80 × 61,364.30
  4. Step 4: Simplify right side
    90,027.67x = 7,617,322,686.74
  5. Step 5: Solve for x
    x = 7,617,322,686.74/90,027.67
  6. Step 6: Final answer
    x = 84,610.91

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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.