Home / 90,087.84-124,323.52-49,802.22

Finding the Fourth Proportional to 90,087.84, 124,323.52 and 49,802.22

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Solution

The fourth proportional to 90,087.84, 124,323.52 and 49,802.22 is: 68,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,087.84 : 124,323.52 = 49,802.22 : x
  2. Step 2: Convert to fraction form
    90,087.84/124,323.52 = 49,802.22/x
  3. Step 3: Cross multiply
    90,087.84x = 124,323.52 × 49,802.22
  4. Step 4: Simplify right side
    90,087.84x = 6,191,587,294.21
  5. Step 5: Solve for x
    x = 6,191,587,294.21/90,087.84
  6. Step 6: Final answer
    x = 68,728.34

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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.