Home / 90,054.69-124,281.36-59,792.64

Finding the Fourth Proportional to 90,054.69, 124,281.36 and 59,792.64

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Solution

The fourth proportional to 90,054.69, 124,281.36 and 59,792.64 is: 82,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,054.69 : 124,281.36 = 59,792.64 : x
  2. Step 2: Convert to fraction form
    90,054.69/124,281.36 = 59,792.64/x
  3. Step 3: Cross multiply
    90,054.69x = 124,281.36 × 59,792.64
  4. Step 4: Simplify right side
    90,054.69x = 7,431,110,617.19
  5. Step 5: Solve for x
    x = 7,431,110,617.19/90,054.69
  6. Step 6: Final answer
    x = 82,517.75

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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.