Home / 90,068.64-124,295.21-49,232.82

Finding the Fourth Proportional to 90,068.64, 124,295.21 and 49,232.82

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Solution

The fourth proportional to 90,068.64, 124,295.21 and 49,232.82 is: 67,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,068.64 : 124,295.21 = 49,232.82 : x
  2. Step 2: Convert to fraction form
    90,068.64/124,295.21 = 49,232.82/x
  3. Step 3: Cross multiply
    90,068.64x = 124,295.21 × 49,232.82
  4. Step 4: Simplify right side
    90,068.64x = 6,119,403,700.79
  5. Step 5: Solve for x
    x = 6,119,403,700.79/90,068.64
  6. Step 6: Final answer
    x = 67,941.56

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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.