Home / 85,585.01-128,396.95-46,141.25

Finding the Fourth Proportional to 85,585.01, 128,396.95 and 46,141.25

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Solution

The fourth proportional to 85,585.01, 128,396.95 and 46,141.25 is: 69,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,585.01 : 128,396.95 = 46,141.25 : x
  2. Step 2: Convert to fraction form
    85,585.01/128,396.95 = 46,141.25/x
  3. Step 3: Cross multiply
    85,585.01x = 128,396.95 × 46,141.25
  4. Step 4: Simplify right side
    85,585.01x = 5,924,395,011.85
  5. Step 5: Solve for x
    x = 5,924,395,011.85/85,585.01
  6. Step 6: Final answer
    x = 69,222.35

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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.