Home / 56,329.02-77,643.90-38,174.22

Finding the Fourth Proportional to 56,329.02, 77,643.90 and 38,174.22

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Solution

The fourth proportional to 56,329.02, 77,643.90 and 38,174.22 is: 52,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,329.02 : 77,643.90 = 38,174.22 : x
  2. Step 2: Convert to fraction form
    56,329.02/77,643.90 = 38,174.22/x
  3. Step 3: Cross multiply
    56,329.02x = 77,643.90 × 38,174.22
  4. Step 4: Simplify right side
    56,329.02x = 2,963,995,320.26
  5. Step 5: Solve for x
    x = 2,963,995,320.26/56,329.02
  6. Step 6: Final answer
    x = 52,619.33

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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.