Home / 63,154.35-87,107.40-42,975.63

Finding the Fourth Proportional to 63,154.35, 87,107.40 and 42,975.63

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Solution

The fourth proportional to 63,154.35, 87,107.40 and 42,975.63 is: 59,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154.35 : 87,107.40 = 42,975.63 : x
  2. Step 2: Convert to fraction form
    63,154.35/87,107.40 = 42,975.63/x
  3. Step 3: Cross multiply
    63,154.35x = 87,107.40 × 42,975.63
  4. Step 4: Simplify right side
    63,154.35x = 3,743,495,392.66
  5. Step 5: Solve for x
    x = 3,743,495,392.66/63,154.35
  6. Step 6: Final answer
    x = 59,275.34

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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.