Home / 90,263.15-124,567.04-49,976.91

Finding the Fourth Proportional to 90,263.15, 124,567.04 and 49,976.91

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Solution

The fourth proportional to 90,263.15, 124,567.04 and 49,976.91 is: 68,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,263.15 : 124,567.04 = 49,976.91 : x
  2. Step 2: Convert to fraction form
    90,263.15/124,567.04 = 49,976.91/x
  3. Step 3: Cross multiply
    90,263.15x = 124,567.04 × 49,976.91
  4. Step 4: Simplify right side
    90,263.15x = 6,225,475,871.99
  5. Step 5: Solve for x
    x = 6,225,475,871.99/90,263.15
  6. Step 6: Final answer
    x = 68,970.29

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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.