Home / 90,032.51-124,250.72-49,746.28

Finding the Fourth Proportional to 90,032.51, 124,250.72 and 49,746.28

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Solution

The fourth proportional to 90,032.51, 124,250.72 and 49,746.28 is: 68,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,032.51 : 124,250.72 = 49,746.28 : x
  2. Step 2: Convert to fraction form
    90,032.51/124,250.72 = 49,746.28/x
  3. Step 3: Cross multiply
    90,032.51x = 124,250.72 × 49,746.28
  4. Step 4: Simplify right side
    90,032.51x = 6,181,011,107.32
  5. Step 5: Solve for x
    x = 6,181,011,107.32/90,032.51
  6. Step 6: Final answer
    x = 68,653.10

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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.