Home / 85,774.48-118,426.56-53,558.16

Finding the Fourth Proportional to 85,774.48, 118,426.56 and 53,558.16

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Solution

The fourth proportional to 85,774.48, 118,426.56 and 53,558.16 is: 73,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,774.48 : 118,426.56 = 53,558.16 : x
  2. Step 2: Convert to fraction form
    85,774.48/118,426.56 = 53,558.16/x
  3. Step 3: Cross multiply
    85,774.48x = 118,426.56 × 53,558.16
  4. Step 4: Simplify right side
    85,774.48x = 6,342,708,648.73
  5. Step 5: Solve for x
    x = 6,342,708,648.73/85,774.48
  6. Step 6: Final answer
    x = 73,946.34

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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.