Home / 90,113.02-124,365.04-49,829.82

Finding the Fourth Proportional to 90,113.02, 124,365.04 and 49,829.82

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Solution

The fourth proportional to 90,113.02, 124,365.04 and 49,829.82 is: 68,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,113.02 : 124,365.04 = 49,829.82 : x
  2. Step 2: Convert to fraction form
    90,113.02/124,365.04 = 49,829.82/x
  3. Step 3: Cross multiply
    90,113.02x = 124,365.04 × 49,829.82
  4. Step 4: Simplify right side
    90,113.02x = 6,197,087,557.49
  5. Step 5: Solve for x
    x = 6,197,087,557.49/90,113.02
  6. Step 6: Final answer
    x = 68,770.17

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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.