Home / 90,903.60-136,293.84-46,444.32

Finding the Fourth Proportional to 90,903.60, 136,293.84 and 46,444.32

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Solution

The fourth proportional to 90,903.60, 136,293.84 and 46,444.32 is: 69,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,903.60 : 136,293.84 = 46,444.32 : x
  2. Step 2: Convert to fraction form
    90,903.60/136,293.84 = 46,444.32/x
  3. Step 3: Cross multiply
    90,903.60x = 136,293.84 × 46,444.32
  4. Step 4: Simplify right side
    90,903.60x = 6,330,074,718.99
  5. Step 5: Solve for x
    x = 6,330,074,718.99/90,903.60
  6. Step 6: Final answer
    x = 69,635.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.