Home / 51,135.10-70,564.47-28,475.04

Finding the Fourth Proportional to 51,135.10, 70,564.47 and 28,475.04

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Solution

The fourth proportional to 51,135.10, 70,564.47 and 28,475.04 is: 39,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,135.10 : 70,564.47 = 28,475.04 : x
  2. Step 2: Convert to fraction form
    51,135.10/70,564.47 = 28,475.04/x
  3. Step 3: Cross multiply
    51,135.10x = 70,564.47 × 28,475.04
  4. Step 4: Simplify right side
    51,135.10x = 2,009,326,263.66
  5. Step 5: Solve for x
    x = 2,009,326,263.66/51,135.10
  6. Step 6: Final answer
    x = 39,294.46

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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.