Home / 90,012.17-124,216.40-49,725.93

Finding the Fourth Proportional to 90,012.17, 124,216.40 and 49,725.93

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Solution

The fourth proportional to 90,012.17, 124,216.40 and 49,725.93 is: 68,621.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,012.17 : 124,216.40 = 49,725.93 : x
  2. Step 2: Convert to fraction form
    90,012.17/124,216.40 = 49,725.93/x
  3. Step 3: Cross multiply
    90,012.17x = 124,216.40 × 49,725.93
  4. Step 4: Simplify right side
    90,012.17x = 6,176,776,011.25
  5. Step 5: Solve for x
    x = 6,176,776,011.25/90,012.17
  6. Step 6: Final answer
    x = 68,621.57

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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.