Home / 85,541.34-128,216.40-35,587.44

Finding the Fourth Proportional to 85,541.34, 128,216.40 and 35,587.44

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Solution

The fourth proportional to 85,541.34, 128,216.40 and 35,587.44 is: 53,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,541.34 : 128,216.40 = 35,587.44 : x
  2. Step 2: Convert to fraction form
    85,541.34/128,216.40 = 35,587.44/x
  3. Step 3: Cross multiply
    85,541.34x = 128,216.40 × 35,587.44
  4. Step 4: Simplify right side
    85,541.34x = 4,562,893,442.02
  5. Step 5: Solve for x
    x = 4,562,893,442.02/85,541.34
  6. Step 6: Final answer
    x = 53,341.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.