Home / 88,012.91-121,457.58-47,726.55

Finding the Fourth Proportional to 88,012.91, 121,457.58 and 47,726.55

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Solution

The fourth proportional to 88,012.91, 121,457.58 and 47,726.55 is: 65,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,012.91 : 121,457.58 = 47,726.55 : x
  2. Step 2: Convert to fraction form
    88,012.91/121,457.58 = 47,726.55/x
  3. Step 3: Cross multiply
    88,012.91x = 121,457.58 × 47,726.55
  4. Step 4: Simplify right side
    88,012.91x = 5,796,751,085.77
  5. Step 5: Solve for x
    x = 5,796,751,085.77/88,012.91
  6. Step 6: Final answer
    x = 65,862.51

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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.