Home / 56,774.08-78,252.24-38,838.16

Finding the Fourth Proportional to 56,774.08, 78,252.24 and 38,838.16

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Solution

The fourth proportional to 56,774.08, 78,252.24 and 38,838.16 is: 53,531.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,774.08 : 78,252.24 = 38,838.16 : x
  2. Step 2: Convert to fraction form
    56,774.08/78,252.24 = 38,838.16/x
  3. Step 3: Cross multiply
    56,774.08x = 78,252.24 × 38,838.16
  4. Step 4: Simplify right side
    56,774.08x = 3,039,173,017.48
  5. Step 5: Solve for x
    x = 3,039,173,017.48/56,774.08
  6. Step 6: Final answer
    x = 53,531.00

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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.