Home / 90,037.21-124,268.54-59,356.47

Finding the Fourth Proportional to 90,037.21, 124,268.54 and 59,356.47

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Solution

The fourth proportional to 90,037.21, 124,268.54 and 59,356.47 is: 81,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,037.21 : 124,268.54 = 59,356.47 : x
  2. Step 2: Convert to fraction form
    90,037.21/124,268.54 = 59,356.47/x
  3. Step 3: Cross multiply
    90,037.21x = 124,268.54 × 59,356.47
  4. Step 4: Simplify right side
    90,037.21x = 7,376,141,866.45
  5. Step 5: Solve for x
    x = 7,376,141,866.45/90,037.21
  6. Step 6: Final answer
    x = 81,923.26

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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.