Home / 85,832.40-118,442.76-57,533.52

Finding the Fourth Proportional to 85,832.40, 118,442.76 and 57,533.52

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Solution

The fourth proportional to 85,832.40, 118,442.76 and 57,533.52 is: 79,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,832.40 : 118,442.76 = 57,533.52 : x
  2. Step 2: Convert to fraction form
    85,832.40/118,442.76 = 57,533.52/x
  3. Step 3: Cross multiply
    85,832.40x = 118,442.76 × 57,533.52
  4. Step 4: Simplify right side
    85,832.40x = 6,814,428,901.32
  5. Step 5: Solve for x
    x = 6,814,428,901.32/85,832.40
  6. Step 6: Final answer
    x = 79,392.27

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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.