Home / 90,175.79-124,482.45-53,890.04

Finding the Fourth Proportional to 90,175.79, 124,482.45 and 53,890.04

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Solution

The fourth proportional to 90,175.79, 124,482.45 and 53,890.04 is: 74,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,175.79 : 124,482.45 = 53,890.04 : x
  2. Step 2: Convert to fraction form
    90,175.79/124,482.45 = 53,890.04/x
  3. Step 3: Cross multiply
    90,175.79x = 124,482.45 × 53,890.04
  4. Step 4: Simplify right side
    90,175.79x = 6,708,364,723.09
  5. Step 5: Solve for x
    x = 6,708,364,723.09/90,175.79
  6. Step 6: Final answer
    x = 74,392.08

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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.