Home / 90,006.02-124,209.35-49,718.95

Finding the Fourth Proportional to 90,006.02, 124,209.35 and 49,718.95

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Solution

The fourth proportional to 90,006.02, 124,209.35 and 49,718.95 is: 68,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,006.02 : 124,209.35 = 49,718.95 : x
  2. Step 2: Convert to fraction form
    90,006.02/124,209.35 = 49,718.95/x
  3. Step 3: Cross multiply
    90,006.02x = 124,209.35 × 49,718.95
  4. Step 4: Simplify right side
    90,006.02x = 6,175,558,089.51
  5. Step 5: Solve for x
    x = 6,175,558,089.51/90,006.02
  6. Step 6: Final answer
    x = 68,612.72

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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.