Home / 90,077.44-124,289.76-56,528.32

Finding the Fourth Proportional to 90,077.44, 124,289.76 and 56,528.32

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Solution

The fourth proportional to 90,077.44, 124,289.76 and 56,528.32 is: 77,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,077.44 : 124,289.76 = 56,528.32 : x
  2. Step 2: Convert to fraction form
    90,077.44/124,289.76 = 56,528.32/x
  3. Step 3: Cross multiply
    90,077.44x = 124,289.76 × 56,528.32
  4. Step 4: Simplify right side
    90,077.44x = 7,025,891,326.00
  5. Step 5: Solve for x
    x = 7,025,891,326.00/90,077.44
  6. Step 6: Final answer
    x = 77,998.35

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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.