Home / 90,095.64-124,200.18-63,156.84

Finding the Fourth Proportional to 90,095.64, 124,200.18 and 63,156.84

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Solution

The fourth proportional to 90,095.64, 124,200.18 and 63,156.84 is: 87,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,095.64 : 124,200.18 = 63,156.84 : x
  2. Step 2: Convert to fraction form
    90,095.64/124,200.18 = 63,156.84/x
  3. Step 3: Cross multiply
    90,095.64x = 124,200.18 × 63,156.84
  4. Step 4: Simplify right side
    90,095.64x = 7,844,090,896.23
  5. Step 5: Solve for x
    x = 7,844,090,896.23/90,095.64
  6. Step 6: Final answer
    x = 87,064.05

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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.