Home / 90,886.14-125,426.55-52,645.08

Finding the Fourth Proportional to 90,886.14, 125,426.55 and 52,645.08

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Solution

The fourth proportional to 90,886.14, 125,426.55 and 52,645.08 is: 72,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,886.14 : 125,426.55 = 52,645.08 : x
  2. Step 2: Convert to fraction form
    90,886.14/125,426.55 = 52,645.08/x
  3. Step 3: Cross multiply
    90,886.14x = 125,426.55 × 52,645.08
  4. Step 4: Simplify right side
    90,886.14x = 6,603,090,925.82
  5. Step 5: Solve for x
    x = 6,603,090,925.82/90,886.14
  6. Step 6: Final answer
    x = 72,652.34

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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.