Home / 90,319.10-124,628.54-52,080.08

Finding the Fourth Proportional to 90,319.10, 124,628.54 and 52,080.08

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Solution

The fourth proportional to 90,319.10, 124,628.54 and 52,080.08 is: 71,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,319.10 : 124,628.54 = 52,080.08 : x
  2. Step 2: Convert to fraction form
    90,319.10/124,628.54 = 52,080.08/x
  3. Step 3: Cross multiply
    90,319.10x = 124,628.54 × 52,080.08
  4. Step 4: Simplify right side
    90,319.10x = 6,490,663,449.94
  5. Step 5: Solve for x
    x = 6,490,663,449.94/90,319.10
  6. Step 6: Final answer
    x = 71,863.69

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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.