Home / 56,303.52-77,698.84-31,153.04

Finding the Fourth Proportional to 56,303.52, 77,698.84 and 31,153.04

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Solution

The fourth proportional to 56,303.52, 77,698.84 and 31,153.04 is: 42,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,303.52 : 77,698.84 = 31,153.04 : x
  2. Step 2: Convert to fraction form
    56,303.52/77,698.84 = 31,153.04/x
  3. Step 3: Cross multiply
    56,303.52x = 77,698.84 × 31,153.04
  4. Step 4: Simplify right side
    56,303.52x = 2,420,555,070.47
  5. Step 5: Solve for x
    x = 2,420,555,070.47/56,303.52
  6. Step 6: Final answer
    x = 42,991.19

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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.