Home / 90,925.49-125,477.14-52,707.21

Finding the Fourth Proportional to 90,925.49, 125,477.14 and 52,707.21

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Solution

The fourth proportional to 90,925.49, 125,477.14 and 52,707.21 is: 72,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,925.49 : 125,477.14 = 52,707.21 : x
  2. Step 2: Convert to fraction form
    90,925.49/125,477.14 = 52,707.21/x
  3. Step 3: Cross multiply
    90,925.49x = 125,477.14 × 52,707.21
  4. Step 4: Simplify right side
    90,925.49x = 6,613,550,226.31
  5. Step 5: Solve for x
    x = 6,613,550,226.31/90,925.49
  6. Step 6: Final answer
    x = 72,735.93

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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.