Home / 63,726.14-87,946.37-42,178.76

Finding the Fourth Proportional to 63,726.14, 87,946.37 and 42,178.76

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Solution

The fourth proportional to 63,726.14, 87,946.37 and 42,178.76 is: 58,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,726.14 : 87,946.37 = 42,178.76 : x
  2. Step 2: Convert to fraction form
    63,726.14/87,946.37 = 42,178.76/x
  3. Step 3: Cross multiply
    63,726.14x = 87,946.37 × 42,178.76
  4. Step 4: Simplify right side
    63,726.14x = 3,709,468,842.07
  5. Step 5: Solve for x
    x = 3,709,468,842.07/63,726.14
  6. Step 6: Final answer
    x = 58,209.53

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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.