Home / 42,312.12-63,425.47-26,528.25

Finding the Fourth Proportional to 42,312.12, 63,425.47 and 26,528.25

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Solution

The fourth proportional to 42,312.12, 63,425.47 and 26,528.25 is: 39,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,312.12 : 63,425.47 = 26,528.25 : x
  2. Step 2: Convert to fraction form
    42,312.12/63,425.47 = 26,528.25/x
  3. Step 3: Cross multiply
    42,312.12x = 63,425.47 × 26,528.25
  4. Step 4: Simplify right side
    42,312.12x = 1,682,566,724.53
  5. Step 5: Solve for x
    x = 1,682,566,724.53/42,312.12
  6. Step 6: Final answer
    x = 39,765.60

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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.