Home / 90,762.49-125,255.43-50,477.95

Finding the Fourth Proportional to 90,762.49, 125,255.43 and 50,477.95

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Solution

The fourth proportional to 90,762.49, 125,255.43 and 50,477.95 is: 69,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,762.49 : 125,255.43 = 50,477.95 : x
  2. Step 2: Convert to fraction form
    90,762.49/125,255.43 = 50,477.95/x
  3. Step 3: Cross multiply
    90,762.49x = 125,255.43 × 50,477.95
  4. Step 4: Simplify right side
    90,762.49x = 6,322,637,332.77
  5. Step 5: Solve for x
    x = 6,322,637,332.77/90,762.49
  6. Step 6: Final answer
    x = 69,661.35

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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.