Home / 93,726.81-129,341.79-53,439.21

Finding the Fourth Proportional to 93,726.81, 129,341.79 and 53,439.21

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Solution

The fourth proportional to 93,726.81, 129,341.79 and 53,439.21 is: 73,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,726.81 : 129,341.79 = 53,439.21 : x
  2. Step 2: Convert to fraction form
    93,726.81/129,341.79 = 53,439.21/x
  3. Step 3: Cross multiply
    93,726.81x = 129,341.79 × 53,439.21
  4. Step 4: Simplify right side
    93,726.81x = 6,911,923,077.59
  5. Step 5: Solve for x
    x = 6,911,923,077.59/93,726.81
  6. Step 6: Final answer
    x = 73,745.42

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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.