Home / 90,870.55-136,333.73-46,528.44

Finding the Fourth Proportional to 90,870.55, 136,333.73 and 46,528.44

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Solution

The fourth proportional to 90,870.55, 136,333.73 and 46,528.44 is: 69,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,870.55 : 136,333.73 = 46,528.44 : x
  2. Step 2: Convert to fraction form
    90,870.55/136,333.73 = 46,528.44/x
  3. Step 3: Cross multiply
    90,870.55x = 136,333.73 × 46,528.44
  4. Step 4: Simplify right side
    90,870.55x = 6,343,395,776.28
  5. Step 5: Solve for x
    x = 6,343,395,776.28/90,870.55
  6. Step 6: Final answer
    x = 69,806.95

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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.